例句 /

This paper presents the corrosion protection system and part of the coating workmanship for steel truss girders of the Caiyuanba Changjiang River Bridge in Chongqing.

This paper presents the corrosion protection system and part of the coating workmanship for steel truss girders of the Caiyuanba Changjiang River Bridge in Chongqing.

摘要介绍重庆菜园坝长江大桥钢桁梁的防腐体系及部分涂装工艺。