The structure and working mechanism on the new type of spring-piston pressure auto-balancing device with condenser was introduced.

介绍了作者自行设计的带冷凝器新型弹簧活塞式压力自平衡装置结构及其工作原理。

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Featuring a spring piston firing mechanism, the sniper rifle is almost silent when fired.

采用弹簧活塞式发射装置，狙击步枪射击时几乎无声。

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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.

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。

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Diffrient was a frustrated industrial designer with pioneering achievements, including the first chair whose height could be adjusted via a gas piston and spring, and a fold-up office table that replaced screws and plates with simple interlocking hinges.

FORBES: The Chair Men