riluosanbu 發(fā)表于 2017-8-11 12:44 這個,我就不專業(yè)了,應(yīng)該就是鍍鋅層的深度和附著力的差異吧。+ y) e h' M: B- y; | |
樓主: riluosanbu
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請問不銹鋼螺釘和鍍鋅螺釘有什么區(qū)別 |
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