1) hinged manhole cover
铰链式人孔盖
2) hinged manhole
铰链盖人孔
3) oil hole cover
油孔盖铰链盖
4) hinged hatchcover
铰链式舱盖
5) manhole cover chain
人孔盖链
6) hinged cover of inspection
检查孔的铰链盖
补充资料:孔盖
1.以孔雀羽毛装饰的车盖。亦泛指华丽的车舆。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条