基本解释[法學]化學發明專利英汉例句雙語例句The invention patent for counter-circulating evaporator of Chengda Chemical Engineering Corporation is already authorized and commercialized.中國成達化學工程公司反循環蒸發器發明專利已授權，竝已工業化。patent of chemical invention更多例句专业释义法學化學發明專利