non-coke iron making 非焦炭炼铁
coke pig iron 焦炭生铁 ; 煤焦生铁 ; 焦炭炼生铁
non-coke iron 非焦炭炼铁
iron coke 铁焦
iron-coke ratio 铁焦比
Without coke iron cannot be smelted.
没有焦炭就不能炼铁。
Impurities were burnt away with the use of coke, producing a high-quality refined iron.
杂质用焦炭烧掉，产生高质量的炼铁。
The great inventions of that century-the steam engine, mechanical spinning, smelting iron with coke-all served to economise on the expensive factor of production and use more of the cheaper one.
那个世纪的伟大发明如蒸汽机，机械纺纱机，焦炭炼铁大大的节省了高额生产成本，使其更为低廉。
应用推荐