?移动式水源
... the water-supply 供水 water mobile supply 移动式水源 water-supply map 供水图 ...
机动供水车
Other solutions are more complex, but still cheap, such as injecting a sugary mixture into a water supply contaminated by hexavalent chromium to make it less toxic and less mobile underground.
FORBES: The World's Most Polluted Places
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。