词汇	ion-free water
释义	ion-free water 无离子水
随便看	Portable Document File Portable Document Format portable document format file portable document software Portable document software Portable Dose Rate Meter portable dose-rate meter portable double band projector portable dowel inserting machine portable downdraft submersible pump portable drawing board portable drier portable drill portable drilling and tapping machine portable drilling machine portable drilling-machine portable drilling rig portable drive portable driver portable drop tank portable drying oven Portable dry powder fire extinguishers portable duct portable duress sensor portable dust cleaner