- 检查孔: inspection eye; access eye; ...
- 盖板: blind flange; butt plate; co ...
- 检查孔盖: cover of access; inspection cover; inspection plate; manhole plate
- 闸轮检查孔盖: brake drum inspection hole cover
- 检查孔活盖板: removable access plate
关注微信公众号：chachacidian，回复:检查孔盖板，即可在微信中查询翻译
