wood girder

例句：

1. 1. The construction crew was busy installing the new wood girders for the bridge.
   施工队正在忙着安装新桥的木梁。
2. 2.The engineer used the timber girder to support the weight of the building.
   工程师用木梁支撑建筑物的重量。
3. 3. The old house had been rebuilt with wooden girders instead of steel beams.
   这所老房子被重建了，用的是木梁而不是钢梁。