A 5%-15% increase of COP can be expected if a new vortex tube thermovalve is used in air conditioner/ Heat pump system.是什么意思_A 5%-15% increase of COP can be expected if a new vortex tube thermovalve is used in air conditioner/ Heat pump system.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句