This serves the dual function of operating spring and recoil buffer.
这个同时起到容纳复进弹簧和后坐力缓冲的作用。
ZXN film through engine air control valve ZXN new series of pneumatic film double-seat type valve dual-oriented structure and is equipped with multi-spring actuator, with a compact, light weight, sensitive, valve capacity, flow characteristics of precision, and easy disassembly.
ZXN气动薄膜直通双座调节阀 ZXN型新系列气动薄膜双座调节阀采用双导向结构，配用多弹簧执行机构，具有结构紧凑、重量轻、动作灵敏、阀容量大、流量特性精确、拆装方便等优点。
It features a titanium spring tube as well as Dual Flow compression and rebound.
它采用钛弹簧管以及双流量压缩和反弹。
Head speed electrical power flow pump head material: aluminum fluoride plastic corrugated aluminum corrosion-resistant nylon spring-water-cooled 4-inch rigid UPVC pipe valves, etc. Type the name of cooling capacity Carrier trump card technology, efficient and reliable piston compressor, a unique multi-head dual-loop design, implement energy-saving operation.
流量 扬程转速电机功率泵头材质：氟塑料铝质波纹板耐腐尼龙铝质弹簧水冷式 4寸硬 UPVC管阀门等型号名义制冷量开利王牌技术，高效可靠活塞压缩机，独特的多机头双回路设计，实现节能运行。
The openable external tool kit, built-in pullswitch and dual-stem spring are convenient for driver to fetch tools.
驾驶室采用电动翻转设计，操作简单方便；内置开关、双气杆弹簧可翻转前围外板和可开启外侧工具箱，无须翻转驾驶室即可完成日常检查维护工作，取用工具方便快捷；可翻式大灯罩总成设计，方便日常维护。
FLYING CONTROLS: Dual hydraulically powered flight control systems, without manual reversion; spring stick trim; yaw control by differential collective pitch applied through rudder pedals; mix in collective system maintains constant total rotor thrust during turns, to reduce pilot workload when landing on pitching deck, and to simplify transition to hover and landing; twin rudders intended mainly to improve control in autorotation, but also effective in coordinating turns; flight can be maintained on one engine at maximum TO weight.
飞行控制：双液压动力飞行控制系统，无需手动复归；春天坚持修剪；用差偏航控制方向舵的踏板，通过集体沥青应用，在集体转向系统结构保持不变期间共转子推力，降低了飞行员的工作量投球时，甲板上降落，并简化过渡到悬停和着陆，双舵主要是为了提高自动旋转控制，而且在原来的有效协调；飞行可以保持在一个发动机在最大重量。
Due to rotation characteristics of spindle and definite parameterized structure of aerostatics lubricated bearing, mass-spring structural method equivalent to aerostatics bearing system was introduced and system main coordinates and inherent frequency were obtained by establishing dual movement equation.
针对气体静压主轴的运动特性和气体静压润滑轴承的参数结构，提出了采用质量-弹簧结构方法来等效气体静压轴颈轴承系统，并建立了系统二自由度运动方程，最终确定了系统的主坐标系和固有频率。
Since its inception, this air base in Yunnan Province and a beautiful tea for thousands of years to nurture the development of a beautiful mysterious place, with dozens of local tea company has established long-term stable cooperative relations, the current operation include: large benefits, dual overflow, Mengla library÷House, the concept of free, Hutch, spring, dozens of classes and other chapter business famous tea products, serves customers throughout the country and Southeast Asia and Taiwan.
公司自成立以来，立足云南这块神气美丽而又千百年来孕育普洱茶发展的美丽神秘之地，与数十家本土普洱茶企业建立了长期稳定的合作关系，目前经营包括：大益、双溢，勐库、平西王府、观自在、双雄、春光、班章等数十家名优普洱茶企业的产品，客户遍及全国各地及东南亚、台湾等地。
CNG Dual Diaphragm Regulator, its characteristics are: the internal pressure reducer equipped with two diaphragm, regulator diaphragm regulator spring chamber is greater than the output of natural gas chamber, two patch has a side role has environmental atmospheric pressure, pressure regulator spring room connects the engine intake manifold with pressure connecting pipe.
天然气双膜片式减压器，其特征在于：减压器内部装有两只膜片，减压器调压弹簧室膜片大于天然气输出气室膜片，两只膜片均有一个侧面作用有环境大气压强，调压弹簧室与发动机进气管有压力连通管相联结。
Brakes Dual circuit full hydraulic service braking system and fully enclosed wet disc brakes. It features spring applied, hydraulically released parking brake and automatically applied emergency braking system. The braking system is maintenance free, rapidly responsive, and has a long service life
制动系统响应快、寿命长、性能优良的双管路全液压行车制动系统及内置全封闭湿式制动器，液压释放钳盘式停车制动器及可自动响应的紧急制动系统，完善的报警及动力切断功能，主要其元件均为原装进口
Dual Air-Independently adjustable positive and negative air spring chambers.
双空气-独立可调的正面和负面的空气弹簧商会。
Geometric Characteristics and Optimality Conditions of Quadratic Bilevel Programming Models; Optimized D sign of Spring by the Dual Method of the G om trie Programming with the Positive Term Formula of Constraint
二次双级规划的几何特性与最优性条件用约束正定式几何规化对偶法对弹簧优化设计
A dual spring vibrating device is used for increasing vibrating effect and buffer action.
在设计中采用了一些特定的结构导柱弹簧随动振动系统，加强振动效果并且增加缓冲作用。
They are manufactured by high-grade stainless steel. The stiffness matrix of synthetic dual plate-spring interlayer element is deduced.
圆简形机箱内外两层不锈钢材板，中间夹保温层。导出了双层板―性夹层的综合单元刚度矩阵。
Study on the Design Method of Circumferential Arc Spring Dual Mass Flywheel
周向弧形弹簧双质量飞轮设计方法研究
The stiffness matrix of synthetic dual plate-spring interlayer element is deduced.
导出了双层板―性夹层的综合单元刚度矩阵。
Dual spring Vibration absorber system of internal tilt hanging cylinder type is a vibration absorber system of special use researched and developed in accordance with the vibration features of the washing machine with integrated shell and barrel.
内斜吊气缸式双弹簧避振系统是针对壳桶合一洗衣机的振动特点而研发的专用避振系统。
In the present paper, the optimized design of the cylindrical helix compression spring used in the relief valve of the erect steam boiler is carried out by the dual method of the geometric programming with the positive term formula of constraint.
本文用约束正定式几何规划对偶法，对蒸煮用立式锅炉微启式安全阀上的圆柱形螺旋压缩弹簧进行了优化设计。
Then, recommend various kinds of suspensions used commonly and parameters of them, and design dual longitudinal arm with tortile spring suspension, steering system and rear longitudinal arm suspension model at the same time.
随后，介绍了常用的各种悬架及其各个方面的参数要求，并设计了双纵臂扭杆弹簧前悬架、转向系统及后纵臂悬架模型。
Based on plastic intensifying theory, dual-linearity material model is used to calculate stress and strain on the cross section of a torsion bar spring by FE method.
在塑性硬化强扭理论的基础上，利用双线性材料模型计算了扭杆弹簧第一次强扭过程横截面的应力和应变。