... plunger duster 柱塞式喷粉机... buffer plunger 缓冲柱塞 plunger guide 柱塞导承 ...
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缓冲器柱塞
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buffer retainer plunger 缓冲器限制销
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An undercarriage buffer plunger in an airplane suddenly fractured during the process of reinforcing pressure, and a fragment of a floating piston was thrown out.
某飞机起落架缓冲柱塞在补压时发生突然断裂，同时弹出一小块浮动活塞碎片。
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