它可以尽可能的增加操作范围，以减少劳动力拖拉机和总的工具费用。

It can reduce labor, tractor and total implement costs, with possible increased size of operation.

youdao

它可以尽可能的增加操作范围，以减少劳动力拖拉机和总的工具费用。

It can reduce labor, tractor and total implement costs, with possible increased size of operation.

youdao