oil-tight cover
... oil-tight hatch 油密舱口 oil-tight cover 油密盖 oil-tight bulkhead 油密舱壁 ...
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油密舱口盖 oiltight hatch cover
油密舱盖 oil-tight hatch cover
圆锥形油密舱口盖 conic oiltight hatchcover
油密船舱盖装置 oiltight hatchcover
油泵盖密封垫 oil pump body cover gasket
起重机油泵盖垫密片 hoist pump cover gasket
主缸加油口盖垫密片 master cylinder filler cap gasket
油密封及挡油盖装配 oil gland seal &deflector assembly
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