underdrain systemとは 意味・読み方・使い方

CONSTRUCTION METHOD FOR DOUBLE SECTION UNDERDRAINAGE SYSTEM AND UNDERDRAIN EXCAVATOR ENABLING THE CONSTRUCTION METHOD例文帳に追加

複断面暗渠排水工法と、この施工を可能にした暗渠掘削機。 - 特許庁

To provide a water level-regulating system in which outflow of fertilizer and agrochemical from a field is minimized and adequate irrigation according to various conditions can be carried out and accumulation of earth and sand, etc. into an underdrain discharge pipe (a perforated pipe) can be suppressed.例文帳に追加

圃場からの肥料や農薬の流出を最小限に抑え、各種条件に応じた適切な灌漑を行えるとともに、暗渠排水パイプ（有孔管）内への土砂等の蓄積も抑えることができる水位調整システムを提供する。 - 特許庁

To provide a water level regulation system for a cultivation area keeping outflow of fertile or agrochemical from the cultivation area to a minimum, enabling setting of an appropriate above-ground water level or an underground water level in accordance with various conditions, and suppressing accumulation of earth and sand at the inside of an underdrain water pipe.例文帳に追加

耕作区からの肥料や農薬の流出を最小限に抑え、各種条件に応じた適切な地上水位や地下水位に設定できるとともに、暗渠通水管内への土砂等の蓄積も抑えることができる耕作区の水位調節システムを提供する。 - 特許庁