... check-valve plunger guide 止回阀柱塞导座 choke plunger 扼流活塞; 波导管阻波突缘 contact plunger 接触活塞 ...
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... choke modulation 扼流圈调制 choke piston 扼流活塞 choke plunger 扼流式活塞 ...
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... multiple-plunger pump 多柱塞泵 noncontacting plunger 扼流活塞 oil pump plunger 油泵柱塞 ...
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choke plunger
choke piston
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choke piston
choke plunger
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