The new-type of hose pulsating pump is used for underground face draining and sump cleaning.

采用新型软管壁外脉动泵进行井下工作面排水及水仓清理。

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The new-type of hose pulsating pump is used for underground face draining and sump cleaning.

采用新型软管壁外脉动泵进行井下工作面排水及水仓清理。

youdao