wood-beamCOCA³¹⁵¹¹¹⁺⁴ 基本例句 🌏木梁；木方 In order to check the serviceability of a wood-beam ceiling one will always inspect the bearing surfaces but will not remove the entire ceiling cladding. 为了验证原来木龙骨天花板是否还能够继续使用，设计人必须检查其承重表面，但也不必要揭开整个天花板的构造层一窥究竟。 www.gisb3.com.cn