The VSR air-driven pre-whirlwind regulation device was installed in the gas pressure machine of the Roasting Plant of Shaoguan Iron &Steel Co.是什么意思_The VSR air-driven pre-whirlwind regulation device was installed in the gas pressure machine of the Roasting Plant of Shaoguan Iron &Steel Co.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句