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- There are many scrapped products or raw materials caused by the quench cracks of metal workpieces. 金属材料工件因淬火裂纹造成产品或原材料报废的实例很多。
- Chemical analysis and metallograph examination were used to analyze the quenching cracking of shaft gear. 运用化学分析、金相检验等方法,对45钢制轴齿轮产生的裂纹进行检测分析。
- This paper makes an inquiry into the problem, proceeding form the characteristics, cause and effect of the quench cracks, and proposes som measures to prevent cracks. 从淬火裂纹的特征、起因、影响因素入手，对金属材料热处理工件淬火裂纹问题进行了探讨，并提出防止裂纹产生的措施。
- Quenching crack deep and long, straight fracture, fracture surface without oxide color. 淬火裂纹深而细长，断口平直，破断面无氧化色。
- Several factors leading to quenching crack of dovetail cutters were analyzed.The heat treatment process was designed to prevent dovetail cutters from cracking. 分析了导致鸽尾铣刀产生淬火裂纹的因素,设计了能有效预防鸽尾铣刀淬裂的热处理工艺。
- The quenching crack was mainly caused by the metallurgic defects all well as well as the unreasonable structural design and improper machinework. 结果表明，钢板存在的治金缺陷以及不合理的机加工和结构设计，是导致其淬火开裂的根本原因。
- The intercritical hardening process for the camshaft thrust piece was proposed by analyzing the reason of quenching crack. 对凸轮轴止推片产生淬火裂纹的原因进行了分析,提出了亚温淬火工艺,并在实践中应用,消除了淬火裂纹。
- The method of lapping repair for quenching crack inside the cold die steel has been studied in this paper in order to prevente the crack. 针对这一情况，提出了对已形成淬火裂纹的冷作模具进行搭桥修复的新思想，并进行了试验研究。
- Any cylinder designed to the requirements for specification 3AAX and found to have a quenching crack must be rejected and may not be requalified. 按照3AAX规范设计的钢瓶，发现淬火裂纹后，必须报废，不可以再使用。
- Such crack belongs to quenching crack, which is caused by too high temperature for carburization,coarse grains and bad original materials. 渗碳温度过高、晶粒粗大、材质不良是产生淬火裂纹的原因。
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
- The method of lapping repair for quenching crack inside the cold die steel has been studied in this paper in order to prevente the crack.The experimental research has been done. 针对这一情况，提出了对已形成淬火裂纹的冷作模具进行搭桥修复的新思想，并进行了试验研究。
- The marchers jumped off at the crack of dawn. 行军队伍在破晓时出发了。
- The riot police started to crack down on them. 防暴警察开始对他们采取镇压行动。
- Nothing could quench her longing to return home again. 她重返家园的念头怎么也打消不掉。
- That was a cracking shot he played. 他这一下打得妙极了。
- You'll crack up if you go on working so hard. 你继续这样拚命干下去，身体会吃不消的。
- No danger of quenching crack. 无淬裂危险。
- There's a lot to be done, so let's get cracking. 工作很多，咱们开始干吧。
- He bought an ice - cream to quench his thirst . 为了解渴，他买了一块冰淇淋。
