flat position weld 中文意思是什麼
flat position weld
解釋
(頂面)平-
Abstract : combined the engineering field, this paper introduces a kind of the butt weld in the flat position technology of the steel flat pile using simply device
文摘:結合現場實際,介紹了一種利用簡易設備實現鋼板樁對接技術。
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