oil cut off valve seat的意思|示意
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油切断阀座
oil cut off valve seat的网络常见释义
断油阀座 ... oil cut off valve handle 断油阀柄 oil cut off valve seat 断油阀座 oil cut off valve stem 断油阀杆 ...
oil cut off valve seat相关短语
1、 oil cut-off valve seat 断油阀座