基本解释[法学]化学发明专利英汉例句双语例句The invention patent for counter-circulating evaporator of Chengda Chemical Engineering Corporation is already authorized and commercialized.中国成达化学工程公司反循环蒸发器发明专利已授权，并已工业化。patent of chemical invention更多例句专业释义法学化学发明专利