| 摘要 |
PURPOSE:To make it possible to spray the muddy earth by means of a mortar sprayer by supplying water with the earth into a conveyance horse on a specified distance from the tip of a nozzle together with a conveyance of the earth to the nozzle on the edge of the horse by compressed air from the mortar sprayer. CONSTITUTION:Compressed air is produced by a condenser 1. The dried earth filled into a mortar sprayer 2 is conveyed to the position of the tip of a horse for the field of slope 7 by means of a conveyance horse 4 by making use of compressed air. Water supply is carried out by the conveyance horse 4 on 20m length from the tip of nozzle on the edge of the horse. When an operator 5 directs the nozzle 6 on the edge of the horse to the slope 7, the earth 8 is jetted to the slope 7 from the nozzle 6 to form the soil dressing.
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