single-jet flapper valve的意思|示意
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单射流挡板阀
single-jet flapper valve的网络常见释义
单喷嘴挡板阀 ... single-flapper valve 单喷嘴挡板阀 single-jet flapper valve 单喷嘴挡板阀 single-lever relief valve 单杆安全阀 ...
single-jet flapper valve相关短语
1、 single jet flapper valve 单喷嘴挡板阀