introductive例句

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.

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.

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.