有奖纠错
| 划词

Fracture motorbicycle piston was analysed by means of chemical composition analysis, hardness testing, metallographic examination, and the macro and micro-fractography analysis.

摘要采用化学析、硬度测定、金相检验以口宏、微观析等方法,的摩托车活塞进行了析。

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headcount, headdress, headed, headend, headentry, header, header-box, headers, header-subcode, header-thresher,

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3G, 401(K), a,

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英语初级

I sat down and admired the view. After a time I heard a motorbicycle start up and I saw the paperman riding off and, as I watched, I saw Mrs. N come out from behind the Mill.

一辆摩托车启动纸人骑走注视时, N 夫人从磨坊后面出来。

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headlighting, headlike, headline, headliner, headload, headlock, headlong, headloss, headman, headmaster,

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3G, 401(K), a,
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