- plunger; stop; bibb cock; bib(b); [机械工程] piston; gas piston; headed piston
◇活塞杆 piston rod; 活塞环 [设计]packing ring;piston ring;piston ring tongs; 活塞密封圈 piston packing; piston seal; 活塞圈 piston ring; 活塞筒 piston cylinder; 活塞头 piston head; piston crown; 活塞碗 piston cup; 活塞下降行程 downstroke; 活塞销 wrist pin
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