Al - alloys have special requirements on MIG welding due to their unique physical and chemical properties.铝合金因其独特的物理、化学性能对MIG焊有特殊的要求.The study demonstrates that the laser - MIG hybrid welding is an effective welding proc...
About fifteen thousand years ago, the delta swelled and in time land was formed through alluviation.15000年以前, 古三角洲隆起,逐渐冲积成了陆地.At the same instant from behind the curtain swelled the invisible and softest music.这时,从帷幕后传来虚...
医生们抱怨他们疲于应付医药公司的销售人员。Doctors are complaining about being barraged by drug-company salesmen.阿波罗是希腊神话中主管艺术 、 预言 、 医药和光明之神.Apollo was the Greek god of the arts, prophecy, medicine and light.灾区需用医药,急如星火.Medical aid must be s...
Mr Wade answers both questions with a qualified yes.韦德先生对两个问题给出了不完全肯定的回答。Wade walked quickly to the refrigerator and pulled out another beer.韦德快步走到冰箱边又拿出一罐啤酒。Wade released the hand brake and pulled away from the curb.韦德松...