chemical form化学形态chemicaladj.化学的n.药品；化学物chemical deposition method化学沉淀法chemical defense equipment防化装备chemical emulsion breaking化学破乳chemical building material[化] 化学建材chemical analysis on steel钢铁化学分析chemically softened rubber化学软化橡胶chemical structure of coal煤的化学结构chemical conversion process化学转化工艺chemical building materials[化] 化学建材chemical components of salt盐分化学组成

1. We put in a large order of chemical fertilizer.
   我们订购了大量化肥。
2. Chemical fertilizers advance the growth of crops.
   化肥促进庄稼生长。