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.
用等离子体浸没离子注入与沉积（PIIID）复合强化新技术在AISI52100轴承钢基体表面成功合成了硬而耐磨的氮化钛薄膜。
Titanium nitride(TiN) hard protective films were fabricated on AISI52100 bearing steel surface employing plasma immersion ion implantation and deposition(PIIID) technique.
随着超硬含铝高速钢及其他难加工材料在工具行业的不断应用，对刀具的磨削加工提出了更高的要求。
With the continuous application of ultra-hard high speed steel and other materials hard to be machined in tool industry, higher requirements have been put foward to the grinding process for tools.
它基本上由在淬硬钢衬套下将零件夹持到位的夹持装置组成，钻孔作业中钻头穿过这些衬套，通过它们来导向。
Basically it consists of a clamping device to hold the part in position under hardened-steel bushings through which the drill passes during the drilling operation. The drill is guided by the bushings.
介绍了火焰切割对低合金高强度钢在残余应力、淬硬、渗碳等方面的影响。
This article introduces the impact of flame-cutting on high strength lower alloy structural steels from curious aspects Such as remnant stress, quench rigidity, cementite and so on.
特别是JT9和JT11刀具，不但刀具磨损量小，加工表面质量好，而且在切削45钢和45淬硬钢时切屑为崩碎切屑。
Especially the tool wear size of JT9 and JT11 is small and the machined surface quality is high. In cutting 45 anneal steels and 45 hardened steels by JT9 and JT11 tools, chips were segments.
在平面磨床上对非淬硬钢进行了磨削硬化处理，研究了磨削方式和冷却条件对表面硬化层的影响。
The surface hardening of 40cr steel was performed on a surface grinder by transverse feed grinding; the changing trends of microstructure and wear behavior of surface hardened layer were researched.
这里的片段是在新机投入服务之后不久拍摄，所以你可以见到不锈钢客卡墙身装有用硬咭纸遮盖的木板，但后来就被拆除。
The video here was taken shortly after the new lifts were put into service. Thus you can see wooden boards covered with cardboard mounted on the stainless steel car walls, which were later removed.
这里的片段是在新机投入服务之后不久拍摄，所以你可以见到不锈钢客卡墙身装有用硬咭纸遮盖的木板，但后来就被拆除。
The video here was taken shortly after the new lifts were put into service. Thus you can see wooden boards covered with cardboard mounted on the stainless steel car walls, which were later removed.
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