packing seal for reciprocating shaft的意思|示意
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往复式轴填料密封
packing seal for reciprocating shaft的网络常见释义
往复轴填料密封 ... 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 ...