- 相关词组
- manhole with hanging cover吊盖人孔
- manhole size人孔尺寸
- manual quickopening manhole手摇快开人孔
- manhole with common welded flange平焊法兰人孔
- manhole with vertical hanging cover垂直吊盖人孔
- manhole with convex cover凸形盖人孔
- manhole ladder brace油罐车内梯支撑铁
- manhole steps人孔梯
- manhole plate检查孔盖;人孔盖;人孔盖板
- raised manhole凸起人孔
- minimum diameter vessel requiring manhole要求人孔的最小直径容器
- minimum size of manhole人孔最小尺寸
- manhole with butt welded flange对焊法兰人孔
- manhole ring人孔加强圈
- manhole with rotatable cover回转盖入孔
- manhole frame人孔铁口
- manhole ladder油罐内梯
- manhole head检查井盖
- manhole door人孔门
- manhole with sight glass带视镜人孔
- 今日热词
- 热门搜索
- uppermost adj.最高的;至上的;最重要的;adv.最高地，最重要地;
- empty adj.空的;无意义的;空虚的;无力的;v.清空;流入;
- require v.需要;要求，规定;
- range rover 路虎揽胜;大型越野车
- impacted adj.压紧的，结实的;冲击式;
- passage n.通道，走廊;段落;流逝;通过;旅程;通行许可;
- 学习通 Learning; i-Learn
- occasion n.机会;时刻;场合;原因 ;v.导致;引起;
- champion n.冠军;优胜者;斗争者;支持者;v.支持;为…而斗争;捍卫;
- punch-list 剩余工作清单；月清单；问题清单
- FIFA Club World Cup 国际足联俱乐部世界杯;国际足联世界俱乐部杯;俱乐部世界冠军杯;国际足联世俱杯
- reliable adj. 可靠的;可信赖的;真实可信的;n. 可靠的人;
