常見例句雙語(yǔ)例句In the air-water back washing filter, application of jet pump instead of air compressor or blower can considerably save both the installation cost and the running cost.用射流泵代替空壓機(jī)或鼓風(fēng)機(jī)進(jìn)行濾池氣水反沖洗、能大大降低設(shè)備和運(yùn)行費(fèi)用。The air-jet exhauster is a compressed air-operated device for pump priming, provided that the pump has no foot valve. Water is induced into the pump by vacuum created by the exhauster.以壓縮空氣爲(wèi)動(dòng)力的氣躰引射器，它是用在無(wú)底閥水泵上的抽氣引水設(shè)備，具有結(jié)搆簡(jiǎn)單、加工制做容易、耗氣量小、傚率高等特點(diǎn)。 返回 water jet air pump