Thus we consider that if is feasibly to adopt a four feet walking mechanism in Boat-Tractor.

作者认为，在机耕船上采用四足步行机构是可行的。

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This paper refers to the float mechanism and the characteristics and performances of boat-tractor b.

本文论及船式拖拉机的“浮式”工作机理及其性能。

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The finest gloss magnifier for your auto, car, truck, tractor (lol), airplane, boat, motorcycle, glass, stainless steel, fiberglass, wheels and chrome available.

最好的光泽放大镜为你的汽车，轿车，卡车，拖拉机(笑)，飞机，轮船，摩托车，玻璃，不锈钢，玻璃钢，车轮和铬可用。

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