Metallic arc system
[机] 金属电弧熔接法
🧩 词语组成解析
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;
🗣️ 情景例句
Where's the 'Lost and Found' counter?
失物招领处在哪儿？
The moon does not heed the barking of dogs.
月亮不怕狗吠。
Shortly afterwards, four more policemen arrived and remonstrated with the workmen.
一会儿工夫，又来了4个警察，规劝工人离开。