n.引进；传入
n.介绍；提倡；推广；采用
n.引言；绪论
n.入门；初步
n.提倡之物
This paper presents an improved design of the mixing-pouring truck introd uced from abroad. 介绍了对引进加气混凝土搅拌浇注车的改进设计。
Formulation and application process of an air dry amino paint are introd uced. 介绍了一种常温自干氨基漆的配方和施工工艺。
This paper presents an improved design of the mixing-pouring truck introd uced from abroad. 介绍了对引进加气混凝土搅拌浇注车的改进设计。
