 |
| |||
| 地板搁栅; 地板筑围墙 | |||
| 楼地板搁栅 | |||
| 钻台过桥托梁 | |||
| 钻台托梁 | |||
| 桥面横梁; 楼板横梁; 地板托梁; 地板格栅; 楼盖格栅; 楼地板格栅; 楼板格栅; 基台梁; 木楼板龙骨; 地板龙骨 (美国); 地板龙.骨 | |||
| 地板搁棚 | |||
| floor joist: 40 phrases in 3 subjects |
| Architecture | 4 |
| Oil / petroleum | 2 |
| Technology | 34 |
|
| |||
| 地板搁栅; 地板筑围墙 | |||
| 楼地板搁栅 | |||
| 钻台过桥托梁 | |||
| 钻台托梁 | |||
| 桥面横梁; 楼板横梁; 地板托梁; 地板格栅; 楼盖格栅; 楼地板格栅; 楼板格栅; 基台梁; 木楼板龙骨; 地板龙骨 (美国); 地板龙.骨 | |||
| 地板搁棚 | |||
| floor joist: 40 phrases in 3 subjects |
| Architecture | 4 |
| Oil / petroleum | 2 |
| Technology | 34 |