有人在(锅炉的)检修孔中工作.
网络文摘精选 2025-01-18 17:49:39
Oil or water tanks shall have oil tight or watertight manhole covers.
油柜或水柜应该有相应的油密或水密人孔盖.
来源:网络文摘精选The people authorized to open manhole covers could easily be trained to do It'safely.
专业人员经过简单的培训就可以做到安全的打开井盖.
来源:网络文摘精选Take the manhole bag a purse that can hide valuables by unfolding to a sewer cover.
有[人孔盖提袋],摊开来就像下水道人孔盖,可以藏值钱的东西.
来源:网络文摘精选This welding backing is specially designed for hand holes and manholes welding.
本衬垫适用于入孔,出孔的焊接使用.
来源:互联网摘选人孔配有人孔盖 、 垫圈 、 螺栓 、 螺母和起吊杆等全套部件.
来源:互联网摘选Air investigations are absolutely necessary before entering any manholes.
空气调查是绝对必要的,方可进入任何沙井.
来源:互联网摘选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.
来源:互联网摘选
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