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- Different materials or overlays are available for mechanical or chemical protection. 有不同的用于机械和化学保护的材料和涂层。
- Armore cabl is requir for these instal to provid mechan strength dure instal and rodent and chemic protect after installation. 这些装置要求使用铠装光缆,以便在装置过程中提供机械强度,并且在装置后提供侵蚀维护和化学保护。
- Advances in Chemical Protection Research 化学防治技术研究
- Method of Plant Chemical Protection 植物化学保护方法
- Fully sealed chemical protection apparel 全密封消防防化服
- Individual Chemical Protection Levels 个人化学防护等级
- To damaged mechanism of coppered well test recording card, a set of physical and chemical protecting way for preserving well testing card for long time has been studied and searched. 针对铜质地层测试卡片的损坏机理,研究、摸索出了一套有利于地层测试卡片耐久保存的物理保护方法和化学保护方法。
- Chemical Protection Materials and Application Status 化学防护材料极其应用现
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- All are aposematuically colored, suggesting that they all are chemically protected. 它们全都有警戒色,表明它们全都有化学的保护作用。
- 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。
- 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。