短语词组短語divergent -nozzle pump 發散噴嘴擴散泵horizontal divergent -nozzle pump 水平發散噴嘴擴散泵;臥式離心水泵vertical divergent -nozzle pump 垂直發散噴嘴擴散泵vertical divergent nozzle pump 垂直發散噴嘴擴散泵 返回 divergent nozzle pump