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| beam layout; the floor joists of one storey; joist floor, girder floor; the joists of a floor, naked floor; system of beams | |||
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poutraison : 3 短语, 2 学科 |
| 建造 | 1 |
| 运输 | 2 |
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| |||
| beam layout; the floor joists of one storey; joist floor, girder floor; the joists of a floor, naked floor; system of beams | |||
|
poutraison : 3 短语, 2 学科 |
| 建造 | 1 |
| 运输 | 2 |