The piston mathematical model of some type engines in topology optimization was founded using variable density method. According to the optimization area of the piston pin seat and the thrust face, the topology optimization of piston structure in this area was studied using the HyperWorks software premising the stability of skirt's distortion.
建立了某高速发动机活塞的变密度法拓扑优化数学模型，以活塞销座和推力面之间的区域为优化区域，在保证裙部变形稳定性的前提下，利用HyperWorks软件对该区域的活塞结构进行了拓扑优化。
Alloy seat pin, handle bars and stem and a comfortable saddle.
合金针座，酒吧和干处理，舒适的马鞍。
Colonel Qaddafi - dressed in a brown traditional Libyan robe, embroidered vest and shirt, with a black pin of the African continent pinned to his chest - took about 17 minutes to get to the main point of his speech, which was a demand for an African seat on the Security Council.
身穿褐色利比亚传统长袍、绣花衬衫，胸前佩戴黑色非洲形状徽章，卡扎菲花了约17分钟才说到他的演说重点--安理会中应当有非洲国家的代表。
There hanger lifting cranes used for iron axes and water to sit in the frame on the support shaft, with the pylon also for the welding together iron in the water machine in front of cast iron pillars supporting the rotary tipping claw; the lower part of a tank Welding of the ear hanging seat, hanging ear seat for the iron pin with water flip, hook hoist upgrade, Hot Metal Tank mouth is connected to the hot metal bolt Tanks on the mouth.
吊架上有起吊用的吊轴及供铁水罐坐于车架上的支轴，与吊架焊在一起的还有供铁水罐在铸铁机前方支柱上倾翻回转的支爪；罐下部有焊接的吊耳座，吊耳座上装有销轴供铁水罐翻转时，卷扬机吊钩提升用，铁水罐罐嘴是用螺栓连接在铁水罐罐口上。
Handle bars, stem and seat pin could be alloy or carbon, if you have the money.
处理酒吧，干和座位引脚可合金或碳，如果你有这笔钱。
Handle bars, stem and seat pin should be alloy and along with a comfortable saddle you'll be set to take to the hills.
处理酒吧，干和座位引脚应合金连同一个舒适的鞍您将设置为需要的山丘。
The first toilet seat (3) is mounted to the hinge pin (6) at two points, one on each side of a point at which the second toilet seat (8) is mounted.
第一马桶座(3)在两个点处安装在铰接销(6)上，在安装第二马桶座单元(8)的位置处的每一侧上设有所述两个点中的一个点。
Analytical methods of self-locking character of seat angle regulator of cycloid pin gear planetary mechanism
摆线针轮行星结构的调角器自锁性分析方法
The developed drill pipe valve used in gas drilling is made up of nipple, cushion, sealing parts, valve seat, pin bearing, cylindrical torsion spring and valve plate.
气体钻井过程中，常规的配套工具无法满足工艺要求，为此而研制的气体钻井用钻杆阀由钻杆阀短节、缓冲垫、密封部件、阀座、销轴、圆柱扭簧和阀板等组成。
Automatic machine tool for turning double end face of the piston pin The hardness range and difference of hardness and grit of the two grinding wheels for unequal double end griding of bearing sealing seat.
车活塞销双端面自动机床通过对砂轮性能的实际检测、质量跟踪及磨削试验，得出轴承密封座双端面不等面磨削所使用砂轮的硬度范围、两侧砂轮的硬度差及砂轮粒度等数据。
Have a fixed attenuator series, short-circuit plug seat series, gold-plated jack series, pin series, test block series, EQ shell series accessories.
有固定衰减器系列，短路插头座系列，镀金插孔系列，插针系列，测试座系列，均衡器外壳系列等配件。
A bending chute is formed at the lower part of the car stop bar, the fixed seat is connected with a shaft pin in a penetrated way, and the shaft pin penetrates through the bending chute.
在挡车杆下部成型有折弯形滑槽，固定座上穿接有轴销，轴销贯穿折弯形滑槽。
A thole pin. cause to sit or seat or be in a settled position or place.
桨栓固定桨位置的栓使就座或在固定的位置。
The suspension system of claim 1, wherein said mounting means includes an upper spring seat secured to said horizontal section, said upper spring seat further includes a pin guide for receiving a hanger pin which provides said pivot, an upper axle cap pivotally located on said hanger pin and a lower axle cap secured to said upper axle cap to captively retain said axle therebetween.
悬挂系统的索赔1 ，其中说，越来越多的手段包括一个座位上春说，担保，以横向节说，春季座位上还包括了一个引脚指导收到了衣架引脚提供了支点说，上轴帽至关重要说，位于衣架引脚和较低的车轴帽担保说，上轴帽，以captively保留车轴therebetween说。
Brush belt, needle plate, chain, pin board seat, needle wheel, printing machine brush roller, brush roller singeing machine, precise Salisbury machine brush roller, brush box.
毛刷带，针板，链条，针板座，针轮，印花机毛刷辊，烧毛机毛刷辊，精梳机毛刷辊，方块刷。