 |
| |||
| fire-resisting floor; fire-safe floor | |||
| fire-resistant floor | |||
| fire-resisting division | |||
| fire-resistance fire-safe floor | |||
| огнестойкое перекрытие: 1 短语, 1 学科 |
| 建造 | 1 |
|
| |||
| fire-resisting floor; fire-safe floor | |||
| fire-resistant floor | |||
| fire-resisting division | |||
| fire-resistance fire-safe floor | |||
| огнестойкое перекрытие: 1 短语, 1 学科 |
| 建造 | 1 |