knockout pin 中文意思是什麼
knockout pin
解釋
打桿-
The adoption of new type piston knockout - pin - can simplify the complex bag - changing work, stabilize the pressure, generate large force and make the operation easy
採用新式的活塞打料瓶- - - -將復雜的換袋工作簡單化、壓力穩定、力度大、方便易操作。
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