Wire diameter短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 切割线直径 With unified adjusting function, it can preset welding wire diameter and welding current, can automatically match out the regulated welding parameter, it's easy to for beginner to operate. 具有一元化调节功能，可预置焊接电流，能自动匹配规范的焊接参数，操作简单，有利于初用者的操作。 weld21