楼梯梁 meaning in English
bridge board
bridgeboard
stair stringer
stringpiece
Examples
- In commercial or industrial jobs , they build concrete forms , scaffolding , bridges , trestles , tunnels , shelters , towers and other structures
在加拿大工业建筑,或加拿大商业建筑工作中，做混凝土预制板模具，建脚手架，楼梯梁，栈桥，烟道，棚屋和塔楼等。