... stand-by pump 备用泵 ; 应急泵 ; 待机备用泵 stand-by pump coupling 备用泵联轴器 stand-by pump station 备用泵站 ...
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starting up stand-by pump 起动备用泵
stand by pump 备用泵
stand-by pump coupling 备用泵联轴器
starting up stand-by pump coupling 起动备用泵联轴器
warehouse stand by pump 仓库备用泵
stand- by pump 备用泵
stand-by oil pump 候用油泵
stand-by circulating pump coupling 备用循环泵联轴器
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