弹簧承力活塞 [机] spring-opposed piston ; opposed piston
带有弹簧销的槽式活塞 slotted spring finger plunger ; finger plunger ; slotted ring-finger plunger
平衡活塞弹簧 equalizing piston spring
真空缸活塞弹簧 vacuum cylinder piston spring
弹簧加载活塞 spring loaded piston
内活塞弹簧座 [机] inner piston spring seat
弹簧作用的活塞 spring-actuated piston
动力活塞弹簧 piston spring
采用弹簧活塞式发射装置，狙击步枪射击时几乎无声。
Featuring a spring piston firing mechanism, the sniper rifle is almost silent when fired.
由于弹簧活塞与螺帽相夹，备用锯条不会在L形管内窜动，便于在流动场地使用操作。
Because the spring pistons and the nuts are clamped, the spare saw blades can not flee in the L-shaped pipe, which is convenient to operate in a mobile field.
他说，“我们有时候把地震和小孩子们玩的一种叫做‘陷阱’的游戏做比较。”你有一些小砖块和一个活塞弹簧，弹簧挤着砖块。
We sometimes use this analogy of a kid's game called 'booby trap' where you have a bunch of little blocks and there's a spring piston and it pushes on them.
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