Plasma(arc)cutting
[化] 等離子切割; 等離子弧切割
??? 情景例句
He has the eye of a painter.
他有畫家的鑒賞力。
We never imagined that John would become a doctor.
我們從來沒想象約翰將成為一位醫生。
The Hubble telescope was launched into space by NASA on April 20,1990 at a cost of over a billion dollars.
哈勃望遠鏡于1990年4月20日由國家航空航天局發射升空，耗資10多億美元。