7 dedicated security hook-shaped screws, self-tapping screws, expansion screws, mirror nail.
7字形专用安全挂钩螺丝，自攻螺丝，膨胀螺丝，镜钉。英语怎么翻译。
The radio should be secured to a solid surface, using the mounting bracket and self-tapping screws supplied.
收音机应用安装支架和自攻螺丝固定在坚固的表面上。
The C-shaped steel beam (3) and the square steel tubular column (1) can be connected by self-tapping screws (7).
在C型钢梁(3)与方钢管柱(1)之间可以设置自攻螺钉(7)的连接。
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