The reliability of the process is verified by the rolling test for shafts used in small tractors.

通过对实际轧件的试验研究，充分地验证了这一理论及工艺方法的可靠性。

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The machine is mainly used for reboring engine cylinders of motor cycles, and middle & small tractors.

本机床主要用于摩托车，中小型拖拉机，镗削整修气缸之用。

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This paper briefly introduces the arrangement of HST on middle and small tractors. It has certain advantages and possibility.

经过 结构 布置，认为将HST应用于中、小功率拖拉机上具有明显优势，而且切实可行。

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They make record time in a fleet of small cars, ambu-cycles, ambu-tractors and ambu-boats -- all equipped with heart defibrillators, breathing tubes, burn wraps and maternity kits.

CNN: Saving 40,000 lives in under 3 minutes

To do business, to sell palm oil or flowers or coffee, African small firms need money to buy seeds, fertilizer, tractors and trucks.

FORBES: China Turns Its Focus To Africa