金属线
金属线是指单条金属个可挠线或是金属棒，多半是圆柱状个。金属线可以用来承受荷重或是传递电搭信号。金属线通常是奈金属通过模具或是引伸板中个洞，引伸而成。线规有交关多标准个尺寸，会以线规编号来表示。若用多条金属线绞合成个线，拉机械上会称为金属索，拉电气上则会称为电缆。
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