n.大梁；橫梁
The crossbeam of this workshop is made of T-shaped steel. 這個(gè)廠房的橫梁是用丁字鋼搭建而成的。
This papercan be regarded as a theoretical reference for the structure design and improvement of the crossbeam of hydraulic forging press. 可以作為液壓快鍛機(jī)中橫梁設(shè)計(jì)和結(jié)構(gòu)改進(jìn)的理論參考。
