He pointed the torch beam at the floor.
他把手电筒光束指向地板。
This beam bears the whole weight of the upper floor.
这根大梁承受了上面那一层的全部重量。
This beam bears the whole weight of the upper floor.
这根大梁承受了上面那一层的全部重量。 。
Mezzanine structure is make up of steel column, floor beam, meal deck, etc.
楼层结构由框架柱、楼层梁、钢楼承板以及边模板等组成。
Unbond prestressed concrete wide flat beam-slab structure is a new type of floor system.
无粘结预应力混凝土扁梁-平板结构体系是一种新型的楼盖体系。
Unbond prestressed concrete wide flat beam-slab structure is a new type of floor system.
无粘结预应力混凝土扁梁-平板结构体系是一种新型的楼盖体系。
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