磨料磨损、疲劳磨损和胶合等是引起石油钻机传动链条磨损超限，承载；能力降低，最后导致链条断裂破坏的主要原因。
The abrasive wear, fatigue wear and adhesive wear are the main factors causing the excess wear and breaking of the driving chain on drilling RIGS.
学生们应当能说出美国第13任总统的名字，但面对一根断裂的自行车链条时却不知所措。这是什么时候形成的共识？
When did it become accepted wisdom that students should be able to name the 13th president of the United States but be utterly overwhelmed by a broken bike chain?
学生们应当说出美国第13任总统的名字，而面对一根断裂的自行车链条时却不知所措，这是什么时候形成的共识？
When did it become accepted wisdom that students should be able to name the 13th president of the United Sates but be utterly overwhelmed by a broken bike chain?
飞车党想用钩子和链条把它拆散，却发现飞行摩托失控了，不是引擎故障就是把手断裂。
Gangs trying to tear it apart with hooks and chains lose control of their swoops when their engines malfunction or their control vanes shear off.
在燃煤锅炉中，用于驱动排灰链条的轴承环，在运行过程中突然断裂。
Bearing ring driving chain for discharging ash on burning coal boiler abruptly rupture in operation.
习惯的链条在重到断裂之前，总是轻到难以察觉！
Habits of the chain before heavy to fracture, always light that is difficult to detect!
体育专项教学与奥林匹克母体文化脱节，造成文化链条的断裂；
Sports Olympic special mother culture of teaching and out of touch, resulting in chain breakage culture;
引进的370 0数控测井绞车滚筒链条销多次发生断裂，严重影响了该设备的正常投产。
The imported winch roller chain pins on the 3700 computerized logging system have broken many times and greatly affected to our work.
引进的370 0数控测井绞车滚筒链条销多次发生断裂，严重影响了该设备的正常投产。
The imported winch roller chain pins on the 3700 computerized logging system have broken many times and greatly affected to our work.
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