wire gauge

wire-gauge的词性：
n.（名词）

1. A gauge for measuring the diameter of wire, usually consisting of a disk having variously sized slots in its periphery or a long graduated plate with similar slots along its edge.
金属丝规，线规：用来测量金属线的直径的器具，通常包括一个周边有各种型号的狭槽的圆盘或是边上有类似狭槽的长的标有刻度的盘子

2. A standardized system of wire sizes.
金属线型号的标准化的系统