chemical ship化学品船
chemicaladj.化学的n.药品;化学物
chemical industrial waste slag化工废渣
chemical composition of spring泉水化学成分
chemically precipitated sludge化学沉淀污泥
chemical diffusion coefficient扩散系数
chemical colorimetric analysis化学比色法
chemical engineering principle化工原理
chemical equipment manufacture化工设备制造
chemical steam-water quality化学汽水品质