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- Cowrie pattern area is smaller than fast fracture area. Micromorphology shows that the fatigue striation is the main pattern. So it is the early fatigue fracture. 结果表明,断口宏观上有明显的贝纹线花样,贝纹区面积较小,而瞬断区面积很大,其微观形态主要为疲劳辉纹,因此泵轴的断裂属早期疲劳断裂。
- During fracture propagation driven by detonation gas in oil well, dynamic response of crack surface under the gas pressure results in fast fracturing. 摘要油井爆生气体对岩石劈裂作用过程，是裂缝面对动态荷载响应并使其发生动态扩展的过程。
- During fracture propagation driven by detonation gas in oil well,dynamic response of crack surface under the gas pressure results in fast fracturing. 油井爆生气体对岩石劈裂作用过程,是裂缝面对动态荷载响应并使其发生动态扩展的过程。
- He worked very fast, insomuch that he was through in an hour. 他工作得很快，一小时内便做完了。
- He's not a fast horse but he's certainly a stayer. 这匹马跑得不快，但很有耐力。
- Bind the rope fast lest it should come loose. 把绳子绑牢，免得它松脱。
- Bill has a feeling he is on a fast track. 比尔感觉到他正快速迈向成功。
- Perhaps there is a fracture in the water pipe. 也许水管有裂缝了。
- The fracture of his left leg is very serious. 他的左腿骨折情况很严重。
- The fracture caused him intense pain. 骨折给他造成了剧烈的疼痛。
- A car journey is as fast as a train journey. 乘汽车旅行跟乘火车旅行一样快。
- A car overtook me although I was going very fast. 我虽然开得很快，还是被一辆汽车超前了。
- I must be at Hudson before I break my fast. 吃早饭之前，我肯定已到哈得逊区。
- Let's walk fast in order to keep warm. I'm cold. 咱们快些吧，以保持身体暖和。我感到冷。
- I can move very fast across the ice on skates. 我穿着冰鞋在冰上滑得很快。
- He ran fast enough to catch the thief. 他跑得飞快，足以抓住那小偷。
- He stuck hard and fast to his principles. 他坚定不移地坚持自己的准则。
- His head was stuck fast in the railings. 他的头卡在栅栏里动弹不得。
- His wife admonished him not to drive too fast. 他的妻子警告他开车不要超速。
- This kind of fast food is not fit for my appetite. 这种快餐不适合我的口味。
