埋头自攻螺钉 countersunk head self-cutting screw,countersunk head tapping screw 平头自攻螺钉 flat head self tapping screw ..
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埋头自攻螺钉
Keep your head down and self-check the screws
以上为机器翻译结果，长、整句建议使用 人工翻译 。
应用推荐
模块上移
模块下移
不移动