Ua rau: vuam tsis txaus los yog vuam ceev heev ua rau tsis tiav fusion ntawm weld seam.
Kev daws: Ua kom cov vuam kub thiab txo qhov vuam ceev kom ua tiav fusion ntawm vuam seam.
Cov teeb meem tshwm sim hauv High-Frequency Welded Round Pipe Production - Tsis txaus Fusion
Sep 19, 2024
Xa kev nug
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