fixed offshore structure造句

Weldable structural steels for fixed offshore structures - technical delivery conditions
固定近海结构的可焊接结构钢.交付技术条件
Weldable structural steels for fixed offshore structures - technical delivery conditions
固定的海上结构的可焊接结构钢.交货技术条件
Weldable structural steels for fixed offshore structures - technical delivery conditions ; german version en 10225 : 2001
近海固定结构可焊结构钢.技术交货条件
It's difficult to find fixed offshore structure in a sentence. 用fixed offshore structure造句挺难的