a manhole cover.
出入孔盖。
a manhole cover.
出入孔盖。
he lifted the manhole cover and peered into the depths beneath.
他掀起窨井盖向下面深处望去。
inspectors can lamp the lines between the manholes for routine maintenance observations.
检查员能够照亮检修孔之间线路行日常维修观察。
Body has handhole (or manhole) for easy wash and examination, And bottle valve set up inlet/outlet valve,safety valve, pressure gauge and pressure gauge valve, drain valve etc.
筒体上设有手孔(或人孔),以便清理、检修。瓶头上设有、出,安全、压力表和压力表、泄放等。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件观点;若发现问题,欢迎向我们指正。