stand-by oil pump

网络释义

1.	备用油泵《水利水电工程技术术语标准》 - 老西的日志 ... ... 备用水源 stand-by water supply 备用油泵 stand-by oil pump 背斜 anticline ... xjfyfw.blog.163.com
2.	候用油泵直角三角形_馆档网 ... "备用机器"," stand-by machine" "候用油泵"," stand-by oil pump" "候用期间"," stand-by period" ... www.guandang.com

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