drain grating

基本解释

• 拦污；拦污栅，排水沟栅

英汉例句

双语例句

• The utility model is a water grating board which is convenient to drain. The utility belongs to water grating used in municipal works and sewers of streets and dwelling communities.
  一种方便排水的水箅盖，属于市政工程、道路、生活小区内等下水管道上 使用的水箅盖。
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专业释义

动力与电气工程

• 拦污