片语
underground drainage pump station地下泵站
drainage water pump motor排水泵电动机
groundwater drainage pump coupling地下水排
irrigation and drainage pump排灌用泵
drainage filter pump助滤泵
drainage station pump排灌站水泵
dyke drainage pump coupling围垦泵联轴器
drainage e pump排水泵
waste water drainage pump废水提升泵
draining pump[机] 排水泵,排泄泵