The double acting reciprocating mud pump one time every two suction drainage action.
而双作用式泥浆泵每往复一次完成两次吸排水行动。
Water treatment pump room and water supply/drainage professional design.
水处理泵房及其的给/排水专业设计。
One pump station must be installed for drainage.
排水必须安装一个泵站。
One pump station must be installed for drainage.
排水必须安装一个泵站。
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