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- Based on the experimental data and analysis, temperature, temperature stress and temperature crack mechanism of the concrete sidewall of metro station with iterative structure are studied, and the crack control measures are put forward. 摘要依据实验研究教据和理论分析，对地铁叠合结构车站侧墙混凝土的温度、温度应力和温度致裂机理进行研究，从温度控制的角度提出裂缝控制措施。
- In this paper, the failure of hot-work valve die is analysed with SEM,optical microscope and hardometer.The crack mechanism is explained and some methods are presented to prolong the die-durability. 本文运用电子扫描、金相分析、硬度测量等方法对气门阀热镦模的早裂进行了失效分析;探讨了模具的失效机理;提出了改善模具质量、提高模具使用寿命的途径.
- Soil stabilized with AFS has higher early lime soils strength and better anti cracking characteristics than lime soil. AFS稳定土和石灰土相比,早期强度有了较大提高,并具有较好的抗裂性。
- A detailed analysis is made here on the cracking mechanism of strippingroller axle of A186C, D card while some practical precautions are put forward. 本文对A186C、D型梳棉机剥棉罗拉轴的断裂机理进行了探讨,并就断裂的防治提出了具体措施。
- The increase in FCGR at a lower frequency at 500oC was thought to be caused by a time-dependent, oxidation-assisted cracking mechanism. 此频率效应是由裂缝尖端氧化与循环负载的加乘作用所造成，频率越低，则氧化的加乘效果越明显。
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
- By the analysis of cracking mechanism, the flexural strain energy density is adopted to evaluate the flexural performance of epoxy asphalt mixture. 摘要通过对沥青混合料开裂机理的分析，采用能综合反映沥青混合料强度和变形特性的弯曲应变能密度临界值作为环氧沥青混合料抗弯拉性能的评价指标。
- The marchers jumped off at the crack of dawn. 行军队伍在破晓时出发了。
- Crack mechanism and fracture design of ductile material 延性材料开裂机理及抗断设计
- They're completely anti the new proposals. 他们完全反对新的提议。
- The riot police started to crack down on them. 防暴警察开始对他们采取镇压行动。
- The trial dissussion of crack mechanism of the arch tube plate 拱形管板裂纹机理初探
- 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。
- The cracking process of Austrian Kolnbrein double curvature thin arch dam heel,analysis of cracking cause by domestic and foreign specialists and approach to cracking mechanism of arch dam by authors are presented. 介绍了奥地利Kolnbrein双曲薄拱坝坝踵产生裂缝的过程和国内外专家对裂缝成因的分析，以及作者对拱坝产生开裂的机理的探讨。
- She made a crack about his fatness. 她取笑他肥胖。
- According to the dynamic evolvement rules of the stress, strain and fracture distribution or fatigue cracking mechanism, fatigue equation and axle load conversion of the steel bridge deck asphalt mixture surfacing are proposed. 依据钢桥面沥青混合料铺装体系复合结构的应力场、应变场和损伤场在疲劳过程中的动态演变规律以及疲劳裂缝的形成机理，推导出钢桥面沥青铺装层疲劳性能方程和车辆轴载换算公式。
- There is a crack in this window. 这扇窗户上有个裂纹。
- She got up at the crack of dawn. 天刚亮她便起床了。
- You operate the mechanism by winding this handle. 操纵这台机器要转动这个把手。
