Inside the converter oxygen is blow on to the surface of the charge through a water-cool pipe, call a lance.

通过一根叫作氧枪的水冷管子将氧气吹入炉内的原料表面。

youdao

Well protected in their plate armour, and armed with a lance and sword, they pack a powerful charge on the battlefield, while being difficult to kill.

他们身穿板甲，装备骑枪和长剑，冲锋威力强大，生命力顽强。

youdao

Well protected in their plate armour, and armed with a lance and sword, they pack a powerful charge on the battlefield, while being difficult to kill.

他们身穿板甲，装备骑枪和长剑，冲锋威力强大，生命力顽强。

youdao