mechanical snow plough

例句：

1. 1. The mechanical snow plow is anessential tool for clearing snow in winter.
   机械式雪犁是冬季清除积雪的重要工具。
2. 2. The farmer used the mechanical snowplow to clear the road before histruck could pass.
   农民使用机械式雪犁清理道路，以便他的卡车能够通行。
3. 3. The mechanical snow plow was agreat help in keeping the roads clear duringthe heavy snowfall.
   机械式雪犁在大雪期间帮助保持道路畅通。