The trial and industrial practice demonstrate that blast furnace pulverizing coal injection lead extraction process is successful and effective. 試驗和工業(yè)實(shí)踐證明，鼓風(fēng)爐粉煤噴吹煉鉛工藝是成功有效的。
The technology of coal powder spurted burning is applied in the annealing furnace for low carbon steel wire heated with coal powder. 煤粉加熱低碳鋼絲退火爐采用粉煤噴射燃燒技術(shù)，節能效果顯著(zhù)，環(huán)境污染有所改善，是值得推廣的爐型。
He carried out trial runs using rockets stuffed with coal dust. 他用填滿(mǎn)煤粉的火箭式煙火裝置來(lái)進(jìn)行試驗。
Experiments on coal reburning were carried out on an entrained flow reactor. 在煤粉攜帶爐上進(jìn)行再燃實(shí)驗。
