| 摘要 |
PROBLEM TO BE SOLVED: To provide a device capable of backfilling dug gravel shoveled from farm field to the farm field, decreasing works to dispose the gravel to another place and utilizing the gravel for another use. SOLUTION: This device has a ditch former 1 for the farm field on a part of a gravel remover 2 and gravel transporters 4 and 5 situated so as to face the field ditches formed by the ditch former.
|
