Practice with the operation of the SISG No. 4 BF showed that the production was increased by 3.41%, and the coke rate decreased by 1.38%, as the furnace top pressure was raised by 10 kPa.是什么意思_Practice with the operation of the SISG No. 4 BF showed that the production was increased by 3.41%, and the coke rate decreased by 1.38%, as the furnace top pressure was raised by 10 kPa.在线翻译_英语_读音_用法_例句