finish of diggingとは 意味・読み方・使い方

To provide an excavating device constituted to efficiently excavate whil-e discharging excavated sediment smoothly to the ground surface and to obtain the fine finish of a ditch dug up particularly in the use of culvert burying or the like while being capable of skillfully digging out Chinese yams without damaging them in harvesting the Chinese yams.例文帳に追加

掘削した土砂を円滑に地表に排出させて効率良く掘削を行うことができ、特に暗渠埋設等の用途において掘り起こされた溝が良好な仕上がりとなるように掘削装置を構成する。 - 特許庁