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.

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

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breadbox, breadcrumb, bread-crumb, breadcrust, breaded, breader, breadfruit, bread-in, breadless, breadline,

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3G, 401(K), a,

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英语初级听力

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.

我听一辆摩, 我人骑走, 当我注视时, 我 N 夫人从磨坊后面出来。

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break away, break away from, break bread, break down, break down into, break even, break in, break in on, break into, break into groups,

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3G, 401(K), a,
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