This article also introduces the control ways and testing principles of its mechanical structure, pneu-matic system and electrical system. It tells how to design its fixture and terminal.
介绍了其机械结构、气动系统、电气等方面的控制方式及其测试原理，以及随行夹具与接线触头座的设计。
2
This seems to have gotten mixed up with another Indo-European word pneu meaning "to breathe" and eventually to have made it to Greek as pneumon meaning "lungs."