| 1. | Twist the knob to the right setting . 把旋钮拧到适当的定位挡上。
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| 2. | There were several doors with brass knobs . 那儿有好几扇门,门上有铜把手。
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| 3. | Then he pulled the plastic knob on it . 于是他拉了拉那上边的一个塑料圆头。
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| 4. | He wrenched the knob off the door . 他把门把手拧掉了,
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| 5. | Chromosome 5 is distinguished by a proximal knob . 第5染色体的特点是有一个近侧的节结。
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| 6. | The door had special latches instead of knobs . 所有的门都不用门钮而用一种特制的门闩。
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| 7. | He fumbled with the door knob . 他摸弄着门拉手。
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| 8. | The crested top was milled and knurled like the knob on a safe . 冠毛茸茸的顶部早已磨平,酷似保险箱的隆起球形旋钮。
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| 9. | The engine sowed cinders and soot over the fiery flowers and the hairy knobs of weed . 火车烟囱喷出的煤屑和煤烟,纷纷落在田间怒放的野花和毛茸茸的杂草茎节上。
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| 10. | Machining centers - tool shanks and retention knobs 机械加工中心.刀柄及止动旋钮
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