常見(jiàn)例句A special steel spreader beam was used to erect the fabricated cage in its proper position in the roadway structure.使用一個(gè)特制的鋼托架來(lái)安裝預(yù)制的錨固橫梁的鋼筋骨架,使其就位于上部結(jié)構(gòu)內(nèi)預(yù)定的位置上。 返回 pre fabricated