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en20120705
垫片gasket
妹喜儿lady
Butterfly ring
huixin0090
弯头:elbow法兰:flange钢板:steel plate管子:tube /pipe垫片:spacer螺栓:screw
小C爱点dian评ping
金属垫片 [词典] [化] metallic gasket; [例句]没有受力螺栓,省去了金属垫片或垫块;There are no bolts for axial stress of internal pressure and no metal gaskets.
dreamy8594
PE垫片PE gasket PE垫片PE gasket PE垫片PE gasket
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