reciprocating rigid-type seal的意思|示意
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往复式刚性密封
reciprocating rigid-type seal的网络常见释义
往复刚性密封 ... multiple lip reciprocating rubber seal 多唇往复橡胶密封 reciprocating rigid-type seal 往复刚性密封 packing seal for reciprocating shaft 往复轴填料密封 ...