Комментарии:
parabéns... produto de ótima qualidade
祝賀......優質的產品
congratulations ... great quality product
STUD-BOLTS BRAZIL
師父請問25mm釘伸出多少,縮入多少,火數同秒數有多少謝謝。
ОтветитьWhat is the reason for the sand mold at the base of the stud? Is it to protect the weld from contamination by ambient air or does that mold the shape of the molten metal into the shape?
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