装载机不是最有效的机械，因为装载机不像挖土机那样能挖得比轮子深。
A loader is not the most efficient machine for digging as it cannot dig very deep below the level of its wheels as a backhoe can.
装载机不是最有效的机械，因为装载机不像挖土机那样能挖得比轮子深。
A loader is not the most efficient machine for digging as it cannot dig very deep below the level of its wheels as a backhoe can.
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