谁来帮帮我翻译这些英语丫~谢谢了哦

来源:百度知道 编辑:UC知道 时间:2024/05/23 16:11:35
1. why does the metal with finer grains have not only higher strength and hardness but also higher plasticity and toughness than those of coarse grains at room temperature?
2. How should ones process the conductor made of copper wire after cold-drawing it?why?
3. The melting points of Zn,AL,and Sn are known to be 419.c,660.c and 232.c
Respectively Calculate the minimum temperatures of recrystallization of them?
4. What is the difference between a phase and a microconstituent?
5. What is carbon content of an iron-carbon alloy for which the fraction of total ferrite is 0.94?
6. Why are manganese sulphide inclusions in steel preferable to iron sulphide ones?
7. “Quality of high-carbon steel is better than that of low-carbon steel”.is right this statement?
What standard is quality (good or bad) of steel specified according to?Why?
8. (a) What is the distinction betweem hypoeutoid and hypereutectoid steels?
(b) In a hypoeutectoid steel

1. why does the metal with finer grains have not only higher strength and hardness but also higher plasticity and toughness than those of coarse grains at room temperature?
为什么精加工的多齿金属不仅在强度和硬度上,而且在塑性和韧性方面都比常温下的粗糙双齿金属要好
2. How should ones process the conductor made of copper wire after cold-drawing it?why?
如何加工处理冷却拉深以后的铜线材制造的导体?为什么
3. The melting points of Zn,AL,and Sn are known to be 419.c,660.c and 232.c
Respectively Calculate the minimum temperatures of recrystallization of them?
锌,铝和锡的熔点我们都知道是419摄氏度,660摄氏度和232摄氏度,分别计算他们达到结晶的最底温度
4. What is the difference between a phase and a microconstituent?
相位和微元素的不同点?
5. What is carbon content of an iron-carbon alloy for which the fraction of total ferrite is 0.94?
铁碳合金的碳含量是多少,对于全部铁酸盐中的每一小部分的含量是0.94?
6. Why are manganese sulphide inclusions in steel preferable to iron sulphide ones?
为什么钢中的锰流化物夹杂比铁中的流化物要好
7. “Quality of high-carbon steel is better than that of low-carbon s