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- Hence lack of fusion and slag would exist at the weld root and create a large initial crack condition. 因而未熔透及夹渣存在于焊缝棍部，并造成大的初始裂纹条件。
- Initial crack genetic analysis of frame girder 清江升船机框架梁初期裂缝成因分析及监测
- Firstly the initial crack length is calculated according to the stress wave theory: then, the ultimate cracking length caused by blasting is got by the brittle fracture theory of rock. 然后按照岩石的脆断理论计算爆生裂缝的最终扩展长度，对预裂爆破中爆炸作用过程和裂缝的扩展机理进行分析。
- Uuder the impact of sand particles, the erosion wear is initiating crack, propagating and eventually causing spalling of the coating. 涂层的冲蚀磨损失效机制为在磨粒的冲击下，涂层首先产生裂纹，裂纹沿弱结合处扩展最终导致涂层粒子剥落。
- And with reinforced concrete finite element a simulation calculation method is founded for randomness of initial cracks within the equal stress zone of concrete members. 结合钢筋混凝土有限元，建立了混凝土构件等应力区初始裂缝随机性的仿真计算方法，对钢筋混凝土梁纯弯段的裂缝规律进行了仿真计算。
- K Gong,L Deng,FS Liu,H B Xu.Investigations on the formation of initial cracks in thermal barrier coatings prepared by EB-PVD[J].Acta Metall Sinica,1996,(9)6:519. 张东博;郭洪波;宫声凯;徐惠彬.;EB-PVD热障涂层对高温合金基体断裂特征影响的研究[J]
- 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 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。
- High temperature oxidation-sulfidation corrosion in the corrosive environment,brings about initial cracks on the surface where is under high stress and fatigue cracks develop into fatigue fractu... 通过降低腐蚀和波纹管应力可以防止或减轻腐蚀疲劳发生,延长波纹管使用寿命。
- 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。
- The process and rules of the initial cracking due to thermal fatigue are studied considering the multi-linear kinematic hardening of material,with a simple sample as model analyzed by FEM. 用有限元方法并考虑材料的多线性随动强化性质对带有裂纹的简单试件模型进行热疲劳分析,研究热疲劳裂纹张开的过程和规律。
- 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。
- 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。
- His initial reaction was one of shock. 他最初的反应是震惊。
- Initiative cracking of n-heptane,a model compound of heavy hydrocarbons,was investigated in a fixed bed microreactor. 以正庚烷为高碳烃的模型化合物,在微反装置上对正庚烷的引发裂解进行了研究。
