W 开头单词

water quality 水質

water purifying 淨水

water purifier n. 淨水器

water purification system 水淨化器；水淨化系統；純水系統

water purification plant 淨水廠

water purification 水的淨化

water puppetry

water pumps [機] 水泵；抽水機

water pump seal cup [經濟學]水泵水封皮碗

water pump idle gear [經濟學]水泵惰齒輪

water pump housing [經濟學]水泵殼

water pump 抽水機，水泵

water protecting curtain [物理學]防水帷幕

water proofness 水密性

water proofer

water proof torch light [交通運輸工程]防水手電筒

water proof glue [交通運輸工程]防水膠

water proof electric torch [交通運輸工程]防水手電筒

water proof 防水的；不透水的

water project