名词
中文翻译：拉车机
同义词：
['tractor', 'tractor-drawn wagon例句：1. The pantograph was used to pull the heavy load across the river.（拉车机被用来把沉重的货物从河这边拖到那边。）']
例句：
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1. The pantograph was used to pull the heavy load across the river.
拉车机被用来把沉重的货物从河这边拖到那边。
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2. The farmer used a pantograph to pull his plow across the field.
农民使用拉车机把他的犁耙从田里拖过去。
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3. The pantograph was an important tool in the early days of railroads.
拉车机是铁路初期重要的工具。