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- The residual deleterious elements in steel lead to the products occurring red surface brittleness crack and temper brittleness,and lead to the hot strength of heat resistant steel decreasing. 钢中的残余有害元素致使钢材产生红脆性表面裂纹和具有回火脆性倾向,并使耐热钢的热强性降低。
- The results show that the fracture of ammonium perchlorate is essential to the growth of fracture and spalls behave in a brittle crack mode for a composite propellant. 结果表明，复合推进剂在动态压缩条件下主要表现为固体颗粒高氯酸铵的破碎，即首先在固体颗粒中产生微裂纹，在动加载下呈脆性断裂性质；
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
- Analysis of turbine star-up and over-speed experimentation influencing rotor brittleness crack 汽轮机启动和超速试验对转子脆性裂纹影响的分析
- 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。
- 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。
- Have another crack at solving this puzzle. 再试一试把这个难题解决了吧。
- She made a crack about his fatness. 她取笑他肥胖。
- There is a crack in this window. 这扇窗户上有个裂纹。
- 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。
- She got up at the crack of dawn. 天刚亮她便起床了。
- Mary found knitting a hard nut to crack. 玛丽发现编织并非易事。
- He was the tough guy, the big shot, who gave orders with the crack of a whip. 他是个威风凛凛发号施令的强悍的家伙，是个大人物。
- I'd do anything to see you crack a smile. 为了博得你的一笑，我情愿做任何事。
- Her foot wedged in the narrow crack. 她的脚卡在那狭缝里了。
- Close examination revealed a crack in the vase. 花瓶经仔细检查发现有裂缝。
- It was then a hard nut to crack. 在那时是一桩很棘手的事。
- Brittleness is often a result of alloying. 脆性往往是合金化的一种结果。
- It was then a tough nut to crack. 在那时是一桩很棘手的事。
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海词词典，十七年品牌
