Antidetonation electric control pneumatic switch ball valve A thrust with the pin broke the balloon .

防爆电控气动开关 球阀用 针一戳，气球就爆了。

Suction valve bolt and split pin

吸入 阀螺栓及开尾 销

For horizontal flow applications the valve must be installed with disc hinge pin in the vertical position to insure proper operation .

对于水平应用场合， 阀门必须配置垂直阀瓣铰 销，以保证正常工作。

The eccentric press handle ( 3 ) is riveted and connected to the valve casing ( 5 ) through a pin ( 4 ) .

偏心压把（3）通过 销子（4）铆接在 阀壳（5）上。

The solenoid plunger pulls the vent valve down blocking off the passage to the charcoal canister . piston pin snap ring

电磁柱塞拉下通气 阀，堵住通向活性碳罐的通路。活塞 销 锁圈， 活塞 销扣环

The shear relief valve used on slush pumps and using only one shear pin for all pressure settings is investigated in this paper .

本文对剪销变位式安全 阀上剪 销位置和控制压力的关系进行了探讨。

After leaving the packing ring the arrow-shaped valve body falls to open the lock of the tension releasing control pin .

箭形 阀体离开密封环落坐开启泄压控制 销锁定；

A series of Laboratory inoculation by cold valve directly proved that the pin wilt disease is a complex-disease involving pin wood nematodes and pathogenic bacterium .

利用冷 闸法的一系列的接种试验证明了 松材线虫病是松材线虫和其携带的细菌共同侵染引起的一种植物复合侵染病害。

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。

In order to solving the problems of the poor stability of spring relief valve working under high pressure and the poor fatigue resistance of pin and membrane relief valve an one-off gasket like relief valve is designed .

针对弹簧式安全 阀高压工作时 开 闭可靠性差，而 销钉、膜片式安全阀不耐疲劳状况，设计出密封圈式一次动作安全阀。