放射性同位素和平用途委员会
committee on the peaceful uses of radioisotope
非航空航天用途
non aerospace application
钢材的结构用途及混凝土的结构用途作业守则
Codes of Practice on Structural Use of Steel and Structural Use of Concrete
高碳钢片用途
End Usage of High Carbon Steel Strip
耕地用途转移
Cultivated Land conversion