转炉氧枪口采用蒸汽封火，既节约有油氮气，又利用回收蒸汽。
It can economize oil nitrogen gas as well as make full use of recovery steam to use steam to bake the fire in the converter cover opening.
此外还可收到由改善蒸汽供应带来的全年节约回收蒸汽约6.2万t的使用效果。
As the steam supply is improved, 62 thousand tons steam could be saved and recovered in a year.
通过使用专门的蒸汽方法和压力机，他已经回收了3200万双筷子。
Using his special methods of steam and press machines, he has recycled 32 million pairs of chopsticks.
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