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- heading surface cracks 顶锻裂纹
- All of these tests are used to detect surface crack discontinuities. 所有这些测试是用来检测表面裂缝不连续性。
- Frequent temperature fluctuations expose the valve to excessive stresses which cause surface cracks in the body bores of cast steel valves. 频繁的温度波动使阀门承受着过度的压力，这种压力容易造成铸钢阀门阀体孔内部表面裂缝。
- Many surface cracks were found inside of the three towers-absorption &desorption tower, stabilization tower and reabsorption tower of FCC Unit. 催化裂化装置吸收稳定三塔,即吸收解吸塔、稳定塔和再吸收塔,其内部发现大量的表面裂纹。
- There are many kinds of methods to display the EEG data,such as a projective plane or the realistic head surface. 脑电数据的显示有平面脑地形图、立体真实头表显示等多种方式。
- Abstract: Body-fitted hexahedron grid was obtained of high speed train head surface based on mapping approach. 摘 要： 利用映射法生成高速列车头部流场的六面体贴体网格。
- No stress measurements or crack surface samples were available for examination, only the surface crack configuration. 没有应力测量或裂纹表面取样可用于检验，只能依据表面裂纹图形。
- A study of the surface crack at thread root of tool joint pins by the aid of finite element method. 石油钻杆公接头螺纹牙根部表面裂纹有限元计算
- In the elastoplastic fracture analysis for pipelines steel X60, J-A2 two parameter approach was adopted to predict the failure pressures of pipelines with surface cracks. 摘要在对X60管钢弹塑性断裂分析中，采用J-A2：双参数方法来预测带表面裂纹管道的破坏压力。
- Surface crack on teethclamp was studied by means of macroscopic and metallographic examination. 采用外观和金相检验等方法对牙钳表面裂纹进行了分析。
- Fractographic observations showed that hydrogen could induce surface cracks for smooth specimens and a cleavage fracture pattern for notch specimens at RT. 破断面观察结果显示，在室温中，氢气会导致平滑试片在表面形成裂纹，而在凹槽试片中产生劈裂破坏形态。
- Under variable pressure of natural gas,the cracks will be propagated it may lead to break and invalidity.The effect of internal surface cracks are more serious. 在天然气波动压力作用下,裂纹会发生疲劳扩展,导致管道破裂及失效,其中以内表面裂纹的影响较为严重。
- The assessment of the residual life of the KK-joints containing surface cracks is dependent on the accurate estimation of the stress intensity factor of the surface cracks. 对包含表面裂纹的KK节点的残余寿命的评估依赖于对表面裂纹应力强度因子的准确估算。
- The exterior surface crack is the most dangerous among crack defects of oil thimble. 套管裂纹缺陷中最危险的是表面裂纹,可分解成表面周向裂纹和表面轴向裂纹问题。
- Surface quality of billets shall be free from all harmful defects like surface cracks, seams, laps, folds,scabs blowholes,deep ripple marks, aluminum patches, slag patches etc. 钢坯表面要避免一些瑕疵譬如裂纹，接缝，重叠，折痕，抓痕，深的波纹，斑点等。
- According to the high-temperature mechanical property of steel, influence of middle carbon steel chemical composition on longitudinal surface cracks of CSP slab has been studied. 本文从钢水化学成分影响钢的高温力学性能的角度,研究了钢水主要成分对CSP薄板坯表面纵裂的影响。
- She nestled her head on his shoulder. 她将头依偎在他的肩上。
- During damage tolerance analysis, the probably crack types of key danger position are surface crack and edge angle crack in this article. 在损伤容限分析中，本文认为关键危险部位可能萌生的裂纹形态为表面裂纹与棱边角裂纹；
- Solving the corresponding differential equation, an analytical solution for the surface crack width of concrete covers is derived. 通过求解相应的微分方程，导出混凝土保护层表面裂缝宽度的解析解；
- There are four kinds of concrete appearance quality limitation:surface crack,surface dilapidation,asymmetry color and tendon-leakage. 砼外观质量的缺陷大致有:表面裂缝;表面破损;表面颜色不均匀:表面漏筋四方面,阐明了结合不同情况提出应采取的处理方法。
