核燃料的形式是在硬合金包裹下的燃料棒；并且这些燃料棒放在水中，外面还有一层钢压力容器。
The nuclear fuel is encased in hard alloys to construct fuel rods; the reactor core that these rods make up, and the water it sits in, are contained within a steel pressure vessel.
采用光学显微分析法在不同直径硬线钢的不同部位，分析了非金属夹杂物的数量、大小和分布特征。
The amount, size and distribution of non-metallic inclusion in different positions of hard wire steel with different diameters were investigated by optical microanalysis.
根据实验观察，采用热氧化法对高速切削的淬硬钢切屑成色进行分析，以此判断在切削过程中切屑经历过的切削温度。
It analyses analyzed the colors of hardened steel under the conditions of the high-speed cutting by the thermal oxidation method, and the cutting temperatures are estimated.
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