The new steelmaking dynamical control system of BOF has been developed with laser gas analysis to replace the mass-spectrometer and to reduce investment cost and to enhance system dependability.是什么意思_The new steelmaking dynamical control system of BOF has been developed with laser gas analysis to replace the mass-spectrometer and to reduce investment cost and to enhance system dependability.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句