人孔 meaning in Chinese
manhole
◇人孔围板 [船舶工程] manhole coaming
Examples
- Practice for hdpe manholes for subsurface applications
地下高密度聚乙烯人孔惯例 - Manhole tops classes a 15 and b 125 , circular ; frames
A15和b125级圆形人孔顶部.框架 - Manhole covers for bunkers and tanks on ships ; seals
船舶贮舱和液槽的人孔盖.密封件 - Railway applications - tank wagons - part 6 : manholes
铁路设施.油罐车.第6部分:人孔 - Manhole tops classes a 15 and b 125 , circular ; summary
A级15和b级125圆形人孔顶部.综述