speed regulating valve spring的意思|示意
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调速阀弹簧
speed regulating valve spring的网络常见释义
调速阀弹簧 ... 叠加式调速阀 MF 调速阀弹簧 speed regulating valve spring 调节阀,调速阀 governor valve ...
speed regulating valve spring相关短语
1、 speed d regulating valve spring 调速阀弹簧