中凸型活塞裙部
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活塞裙部型线
piston skirt profile
Molded line of piston skirt
piston skirt molded lines
活塞裙部型线研究
Study of Piston Skirt Profile
活塞裙部
piston skirt
skirt of piston
Piston skirt cross-section
活塞裙部挤扁
collapse of piston skirt
大中型型钢轧机
heavy and medium section mill
中部中节的
metacentric
中型H型钢
medial size H-beam
中型活顶尖
middle type live center
中型型钢
medium shape
中型型钢轧机
medium section mill
活塞凸台
piston projection
活塞凸台高度
piston projection height
活塞型面设计方法
piston profiling method
活塞型雨淋阀
piston deluge valve
扭转环型活塞
keystone style piston
裙部型面
piston skirt curve
筒型活塞引擎
Trunk piston engine oil
筒状活塞型柴油机
trunk piston type diesel engine
微型活塞
microstopcock
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