• 基础释义
• 例句
• 行业词典释义

• Interior surfaces of manholes and its covers should level with that of the container. 人孔及人孔盖的内表面与容器的内表面平齐.
• Stainless steel bolts and nuts shall be tightened on manhole covers. 人孔盖使用不锈钢螺栓和螺母拧紧.
• Please move the manhole cover away . 请将人孔盖移开。

• 电力： manhole；
  航天： access opening, manhole；
  航海科技： manhole；
  船舶： manhole；
  铁道： manhole；又称 :人孔(manway)；