Hollow clay blocks for floors made with precast concrete beams 地板用带预制混凝土桁条的陶土空心砖
2.
Standard guide for conducting flexural tests on beams and girders for building construction 进行房屋建筑用桁条和大梁弯曲试验的标准指南
3.
A horizontal beam , as of steel or wood , used as a main support for a building or bridge 大梁一水平的铁制或木制的桁条，用来作为建筑物或桥梁的主要支撑物
4.
Super - duralium that is widely used for the longerons , frames , stringers of military and civil aeroplanes , is an important aeronautic material 超硬铝合金是重要的航空结构材料，广泛用于军用飞机和民用飞机的大梁、桁条、隔框等承力部位。
5.
Hanging on to a plank or astride of a beam for grim life , life - belt round round him , gulping salt water , and that s the last of his nibs till the sharks catch hold of him 拼死拼活地抓住一块板子，或跨在一根桁条上，身上缠着救生带， 161嘴里灌进海水。这是他最后的挣扎了，直到被鲨鱼捉住。
