screw fastener 中文意思是什麼
screw fastener
解釋
螺釘扣-
Now we mainly produce in the fastener product the screw, the nut, from attack, filling piece, series the and so on ball pad product
現在我們主要生產緊固件產品中的螺絲、螺母、自攻、平墊、彈墊等系列的產品。
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