In this paper the analysis and solution of following key technical problems are presented: the drafting of commissioning scheme; the selection of the position in AC power grid where single-phase earth fault occurs while there is only one AC feeder at both sides of converter station and corresponding test method, the principle and disposal of the last circuit breaker trip-out function and the perfection of both software and hardware for it; the perfection of control and protection function of frequency converter for cooling of valves.
介绍了系统调试中几个关键技术问题的分析和解决过程：系统调试方案的编写过程；在换流站两侧均为单回交流进线的情况下交流系统单相瞬时故障点的选择和试验方法；最后断路器跳闸功能的原理、配置原则及软件和硬件的完善；换流站阀冷却变频器控制保护功能的完善。
Therefore, establishing an optimal feeder layer culture system is the key step of culturing and expanding of ESCs.
ESC体外培养的条件和技术非常严格，不同种动物的ESC要求的培养条件也有所不同。
A new system of piloting antenna feeder system is adopted in two measure and control radars in a key engineering and has been ranked one of the key technology of the engineering because of its more difficult and knotty.
某重点工程中的两种测控雷达的引导天馈系统所采用的新体制，技术难度大，困难多而被列为该工程关键技术之一。
Powder feeding system is the key of laser rapid prototyping technique, which include synchronous powder feeder, nozzle for Laser coaxial feed powder, powder mixer and powder segregator.
送粉系统是激光金属快速成形技术中的关键技术。送粉系统主要由同步送粉器、同轴送粉喷嘴、混粉器以及分粉器四部分组成。
It was discussed that the key mechanical structure and principle of the automatic Die-bonder, which includes the structures of lead-frame dispatch, transport, receiver, bonding head, needle, wafer feeder, etc.
讨论了全自动IC芯片键合机的关键机械结构和原理，包括分片进料结构、送料结构、收料结构、芯片拾放装置的结构、顶针机构、晶圆供送装置等。
The factory acceptance test (FAT) and site acceptance test (SAT) of distribution automation system should be done before system putting into operation in order to ensure the product's quality. Especially, feeder automation (FA) testing is the key process.
为保证配电自动化产品在用户验收阶段的产品质量，需要进行出厂试验（FAT）与现场试验（SAT），其中，馈线自动化测试是配电自动化系统试验的关键。
Key management for feeder automation systems with centralized mode
集中控制模式的馈线自动化系统密钥管理研究
The key point in the treatment of such patients is successfully to terminat both the spinal feeder and dural branch feeder.
伴髓周动静脉瘘的硬脊膜动静脉瘘的治疗关键在于成功地阻断硬脊膜支和脊髓动脉向瘘口的供血。
Mr Feeder had amassed, with similar intentions, a beautiful little curly secondhand key-bugle, a chess-board and men, a Spanish Grammar, a set of sketching materials, and a pair of boxing-gloves.
由于同样的愿望，菲德先生还收藏了一支美丽的、弓形的、旧的小三键喇叭，一副棋盘和棋子，一本西班牙语语法，一套素描用的材料，一双拳击手套。
Speed-shifting mechanism is one of the key components of sheet feeder on sheet-fed printer or die-cutter, whose working performance influences the stability of paper delivery.
变速输纸机构是单张纸胶印机和模切机等设备中进行纸张输送的重要部件，其运动性能的优劣，影响到纸张输送的平稳性。
Discussion on key technical issues of 10 kV power cable feeder network automation
10kV电缆网馈线自动化的关键技术问题的探讨
Paper feeder, two pieces of upper and lower plate for die cutting, one set of allen key.
送纸机、模切上、下板各二件、六角匙一套。
Inertia vibrators bearing lubrication is the entire feeder normal work of the key, therefore, should be in use on a regular basis to add the bearing MoS22 # grease, plus a two-month general, a high-temperature Jijue Canada first greases on.
惯性振动器轴承的润滑是整台给料机正常工作的关键，因此，在使用中应定期对轴承加注二硫化钼2#润滑脂，一般两个月加一次，高温剞劂每一个月加一次润滑脂。