introductive的例句（introductive在句子中的用法）

• Introductive brags ? industrialization manages be stock raising development to need the road of classics. 前言:十五期间,产业化经营是畜牧业发展的必经之路.
• Service category , such as consultative information service, competitive information and introductive contents etc. 包括参照性信息服务 、 竞技性信息和知识性内容等.
• One , introductive coke is in the action in blast furnace is well - known. 前言焦炭在高炉中的作用是众所周知的.