淬火钢

The Parabola Hypothesis corrected by the authors. The authors have used this method on computer to get the bending fatigue test data of carburized and quenched gears and the fatigue limiting stress distribution. Furthermore, the...

然后对渗碳淬火钢齿轮的弯曲疲劳试验数据用JFKC法进行计算，得到了它的疲劳极限应力分布，并对比其相应的成组试验法测定的疲劳极限应力分布进行了分析和讨论。

This ammunition is unique among submachine guns in that the bullet is made almost entirely of a hardened steel penetrator instead of softer brass or lead.

这种是独一无二的冲锋枪在这子弹是几乎完全是一个淬火钢穿甲弹而不是软性的黄铜或铅。

Anneal means to make harden steel soft and remove ''.

退火就是使淬火钢变软并消除其脆性。

Anneal means make harden steel soft and remove ''.

退火就是使淬火钢变软并消除其脆性。

Anneal means make harden steel soft and remove brittleness.

退火就是使淬火钢变软并消除其脆性。不适合

I didn't have any lathe tool material to grind my boring bar from as the book recommends so instead I used a piece of hardened steel off a thread cutting tap.

我没有任何车床刀具材料磨镗杆从我的书建议做，而不是我使用过1线切割自来水的淬火钢件。

Bull gear and pinion gear are mounted in lower casing via bearing seat.

大小齿轮均采用渗碳淬火钢进行制造，并采用硬齿面加工方法加工而成，强度很高。小伞齿轮和大伞齿轮均通过轴承座装入下壳体中，两轴承座法兰下设有调整垫，用于调整齿轮副接触区的位置和齿侧间隙。

It features a self-sharpening hardened steel blade, a cast metal handle with tension spring to secure in any position, and a safety guard rail with handle lock.

它具有自我锐化淬火钢叶片的铸造处理与春季的紧张局势，以确保在任何位置，以及一个安全护栏手柄锁。

Surface hardened steel, surface heat treating and chemical treating materials, copper, aluminum alloy sheet, zinc layers, chrome layers, tin layers, bearing steel, cold and hard CaSt ing parts, etc.

表面淬火钢，材料表面热处理和化学处理，铜、铝合金等薄板，镀锌、镀铬、镀锡材料，轴承钢，冷硬铸件等。

Surface hardened steel, surface heat treatingchemical treating materials, copper, aluminum alloy sheet, zinc layers, chrome layers, tin layers, bearing steel, coldhard casting parts, etc.

表面淬火钢，材料表面热处理和化学处理，铜、铝合金等薄板，镀锌、镀铬、镀锡材料，轴承钢，冷硬铸件等。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。