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1·The machine unit is made up of charging bucket, stepped gear, pulverizing knife, gear ring, pulverizing motor, discharging port, fan blade, aggregating box, dust collection box, etc.

该机由加料斗、分级轮、粉碎刀片、齿圈、粉碎电机、出料口、风叶、集料箱、吸尘箱等部分组成。

2·Coming out of the final bend, the runner stepped up a gear to overtake the rest of the pack.

赛跑者绕过最后一个弯道后开始加速，以图超越同组的其他选手。《牛津词典》

3·Spain stepped it up a gear after halftime and Xabi Alonso came close with a fierce shot from the edge of the area that flashed past the post.

半场之后，西班牙加大马力，阿隆索从边线接近一记强力射门，球从球门前快速飘过。

4·The sovereign-debt crisis in the euro zone stepped up a gear.

欧洲的主权债务危机进一步恶化。

5·They dispersed towards Deansgate when a police van arrived at the scene and a lone officer in riot gear stepped out.

在前往Deansgate途中，警车驶来，一名身着防暴服装的孤身警官跳下车，他们随即散去。

6·With just five meters to go, the German swimmer stepped up a gear and edged ahead to win the race.

离终点还有五米时德国游泳运动员忽然加速，冲到前面赢得了比赛。

7·As if the stock R8 wasn't interesting enough Audi stepped it up a gear when they announced the GT3 version of the car at last year's Essen Motorshow.

犹如股票的R8没有足够有趣的奥迪一步之遥齿轮当他们宣布版本的经济型轿车轮胎的汽车在去年的Essen车展。