Ljm
液体喷射加工
🗣️ 情景例句
How did he get to be a department head so fast?
他怎么这么快就成为一个部门的主管？
I am very happy that you have finally established a branch in Guangzhou.
我非常高兴你们最终把分支机构建在广州。
where chance discoveries play a much larger part than they do in physical and mechancal industries.
同物理和机械工业相比，化学工业中偶然发现的机会要多得多。