paper fastener 中文意思是什麼
paper fastener
解釋
敞開型拉鏈-
This paper introduces the problems of the fastener and bolt corrosion in the linear sector of liulinhe 1 # tunnel on tailan line, analyzes the reasons of these diseases, and advances some concrete treating methods
介紹了太崗線柳林河1 #隧道內直線地段的扣件和螺栓銹蝕問題,分析了病害原因,提出了具體的整治措施。
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