A metal pin with incised threads and a broad slotted head that can be driven as a fastener by turning with a screwdriver, especially.
一枚有切割的螺纹和宽头的金属钉，可以用螺丝刀拧入以作为紧固物，尤指。
Ease of clamp mounting is facilitated by a large knurled knob on the bottom of the stand which is also slotted so that a coin or screwdriver can be used, if desired, to tighten the clamp. FORM No.
话筒座底部设有一枚大型螺 丝，可轻易地以一枚硬币或大螺丝刀把话筒夹收紧；
Ease of clamp mounting is facilitated by a large knurled knob on the bottom of the stand which is also slotted so that a coin or screwdriver can be used, if desired, to tighten the clamp. FORM No.
话筒座底部设有一枚大型螺 丝，可轻易地以一枚硬币或大螺丝刀把话筒夹收紧；
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