Dc arc welding
[化] 直流电弧焊
🧩 词语组成解析
直流电\\n[计] 数据单元, 数据中心, 数据代码, 数据通信, 数据控制, 数字控制, 直流
arc
[ɑ:k]
n. 综合症状;弧（度）;天穹;电弧，弧光。;
vi. 形成拱状物;循弧线行进;
abbr. American Red Cross. 美国红十字会;
a. 焊的\\n[机] 熔接, 焊接, 锻接
🗣️ 情景例句
Oh, hi.
噢 嗨。
Does it make any difference to you whether we have our lesson at two o'clock or at three o'clock?
我们在两点上课还是在三点上课，你觉得有关系吗？
Eric had been the eldest son of the family, very much older than his two brothers.
埃里克是这家长子。