When the off-gas heating unit GGH was cancelled in the wet off-gas desulfurization technique,it can lower the engineering cost,shorten developments time and save the movement expenses.是什么意思_When the off-gas heating unit GGH was cancelled in the wet off-gas desulfurization technique,it can lower the engineering cost,shorten developments time and save the movement expenses.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句