n.托梁
The purpose of transferring loads to the joist and wiping out the columns can be achieved safely. 通過預(yù)應(yīng)力吊桿將樓面荷載轉(zhuǎn)移到托梁上，安全地實(shí)現(xiàn)托梁拔柱的目的。
n.五弦琴演奏師
