a method of smelting iron一种炼铁方法Darby was looking for a way to improve iron when he hit upon the idea of smelting it with coke instead of charcoal.达比一直在寻找改善铁质的方法，他猛然想到可以不用木炭熔炼，而改用焦炭。Fire provided a means of smelting ores....
a method of smelting iron一种炼铁方法Guimeng alloys, an electric high - carbon, ferromanganese, low ferromanganese smelting sales.硅锰合金 、 电炉高碳 、 锰铁 、 低度锰铁冶炼销售.Main uses: flux for metallurgy, ceramic, glasswork, abrasive substan...
The gatepost was dignified by the weathered brass plate of Dr Harcourt Sibley.在那块刻有哈考特·西布利医生姓名的久经风雨的黄铜牌映衬下，门柱更增添了几分庄重。Stageberg, Norman C and Dallin An Introductory English Grammar. Orlando : Harcourt College Publishers,...
双簧管和单簧管有些相似之处。The oboe and the clarinet have got certain features in common.我鼓励演奏双簧管和单簧管的乐手们多使用颤音。I encourage oboe and clarinet players to use plenty of vibrato.钢琴、双簧管及大管三重奏a trio for piano, oboe and bassoon...