Expound magnesium metallurgy with ferrosilicon process and calcium metallurgy with aluminothermic process by contracting technological conditions.通过工艺条件对比分析,阐明了硅热法炼镁与铝热法炼钙两者工艺过程、设备条件基本相同.Widely used in industry of machin...
Was he right to change from Physics to Metallurgy?他由学物理改为学冶金是正确的 吗 ?Widely used in industry of machinc. electric power, metallurgy, chemical and oil, etc.广泛应用于机械、电力 、 冶金 、 化工、石油等行业.In metallurgy industry, iodine is used ...
He was a fatherly shoulder to cry on when things went wrong.当出现问题时,他是一个像父亲一样可以向其倾诉的人。Suddenly Jack smiled and slipped back into his fatherly role.杰克突然微微一笑,又摆起了慈父的姿态.He took my arm in a fatherly way.他慈父般地挽起我的胳膊。His voice ...
我们多年来都开着一辆生锈的旧货车四处旅行。We spent years travelling around in a rusty old van.闪电在货车周围炸开时,情景异常壮观。It was unbelievably dramatic as lightning crackled all round the van.马撞在货车上发出砰的一声巨响。There was a loud thump as the horse crashed i...