chemical materials
短语词组
- Chemical and materials engineers 化學和材料工程師;化學與材料工程師
- Chemical Raw Materials 化工原料;化學原料葯;化工原料類
- chemical engineering materials 化工材料
- PVC chemical construction materials PVC 化學建材
- Chemical consumptive materials 穩定性同位素
- Chemical Raw Materials Adequate 化工原料充足
- Main Chemical Raw Materials 主營化工原料
- chemical grouting materials 化學注漿材料
- Chemical and Materials Technology 化學和材料工程 返回 chemical materials