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- chemical defence support 防化保障
- Czechoslovak Independent Chemical Defence Battalion 捷克斯洛伐克独立活性防卫军
- Integrated Chemical Defence System 综合化学药品防务系统
- atomic, bacteriological and chemical defence 原子、细菌和化学防护
- British Chemical Defence Department 英(军)防化部
- Studies on the Chemical Defence System of Fruit Bodies of Russula 红菇属子实体化学防御体系的研究
- Directorate of Chemical Defence Research and Development 化学防御研究发展管理局
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- We are doing a chemical experiment. 我们正在做化学实验。
- My major is the subject of chemical engineering. 我的专业是化学工程学。
- Ammonia is a chemical substance. 氨是种化学物质。
- Author Qu Ganglian;Pan Rongrong;Ma Guohua （Analytical Center;Institute of Chemical Defence;Beijing 102205;China）; 作者曲刚莲;潘荣荣;马果花;
- A chemical derived from petroleum or natural gas. 石油化学制品从石油或天然气中提炼出的化学产品
- Beware how you handle the toxic chemical. 小心处理有毒的化学药品。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- Some chemical compounds can be resolved by heat. 一些化学化合物可以通过加热分解。
- I am not familiar with chemical terms. 我不熟悉化学术语。
- He devoted his life to chemical research. 他一生从事化学研究。
- He is experimenting with a new chemical. 他正在实验一种新的化学制品。
