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- I do not know why acids eat in metals. 我不知道酸腐蚀金属的原因。
- It follows that acids eat in metals. 由此可知，各种酸对金属都有腐蚀作用。
- Do you know the reason why acids can eat in metals? 你知道酸腐蚀金属的原因吗？
- It follow that acids eat in metals. 由此可知，各种酸对金属都有腐蚀作用。
- A chemist can isolate the oxygen from the hydrogen in water. 一个化学家能把水中的氧和氢分解。
- Fundamentals of Creep in Metals and Alloys. 金属与合金中蠕变的基础原理。
- An electric current in metal is caused by the movement of electrons. 金属内电流是由电子运动引起的。
- Why acids eat in metal is still a question. 酸为什么腐蚀金属仍是个问题。
- He has solved the question why acids eat in metal. 他已经解决了酸腐蚀金属的问题。
- hydrogen in metals 金属中氢
- Another effect of coldness appears in metal. 低温的另一个效应表现在金属中。
- Most drilling in metal is done with a twist drill. 大多数金属钻孔用的是麻花钻头。
- Made all in metal; safe to use in the oven as well. 完全由金属制成;可在烤箱中放心使用。
- He have solve the question why acids eat in metal. 他已经解决了酸腐蚀金属的问题。
- A compound with a metal replacing hydrogen in ammonia,such as sodium amide,NaNH2. 氨化物由一种金属取代氨分子中的一个氢原子得到的化合物，如氨化钠NaNH2。
- A crack in metal resulting from metal fatigue. 由于金属的腐朽而导致的金属里的裂缝。
- The permeability, diffusivity and solubility of hydrogen in 21-6-9 aust. 本工作采用超高真空气相渗透-动态监测技术,研究了氢在21-6-9奥氏体不锈钢中的渗透。
- I plant mainly in metal etching process. 我厂主要以金属蚀刻加工。
- Interatomic many-body potential model in metal[J]. 引用该论文 文玉华;朱梓忠;邵桂芳.
- The chemist reduced the water by electrolysis collecting the oxygen in one flask the hydrogen in another. 化学家以电解的方法分解水，把氧收集在一个烧瓶里，把氢装在另一只烧瓶里。
