From various sources, Q4 of this year are subject to the usual seasonal factors, they generally slowed WACKER at that stage of business development.是什么意思_From various sources, Q4 of this year are subject to the usual seasonal factors, they generally slowed WACKER at that stage of business development.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句