coupler tubes 中文意思是什麼
coupler tubes
解釋
聯接管-
Loose steel tubes for tube and coupler scaffold - technical delivery conditions
管和連接腳手架用活動鋼管.技術交貨條件 -
Loose steel tubes for tube and coupler scaffolds - technical delivery conditions
管及聯結腳手架用空心鋼管.交貨技術條件 -
Loose steel tubes for tube and coupler scaffolds - technical delivery conditions ; german version en 39 : 2001
腳手架活動聯接鋼管.交貨技術條件
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