Fracture motorbicycle piston was analysed by means of chemical composition analysis, hardness testing, metallographic examination, and the macro and micro-fractography analysis.
摘要采用化学成
、硬度测定、金相检验
及断口宏、微
等方法，对断裂的摩
车活塞进行了。
车Fracture motorbicycle piston was analysed by means of chemical composition analysis, hardness testing, metallographic examination, and the macro and micro-fractography analysis.
摘要采用化学成、硬度测定、金相检验及断口宏、微等方法，对断裂的摩车活塞进行了。
：
上例句、词性
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