英语语法分析

Poles can be held in place by using threading to brace them against a ceiling joist.

钢柱可以用一个支架固定在一个有天花板的地方。

The purpose of transferring loads to the joist and wiping out the columns can be achieved safely.

通过预应力吊杆将楼面荷载转移到托梁上，安全地实现托梁拔柱的目的。

There are very strict codes on removing, drilling or notching load bearing walls and floor joist.

有非常严格的代码去除，或缺口钻进墙壁和地板承载桁架。