短語詞組短語irrigation n requirement 灌溉需水量wheat irrigation water requirement 小麥灌溉需水量irrigation water requirement 灌溉需水量;水量;農(nóng)業(yè)灌溉用水量agriculture irrigation water requirement 灌溉需水probability of irrigation water requirement 灌溉設(shè)計保證率gross irrigation requirement 毛灌溉需水量irrigation requirement 46 灌水定額irrigation requirement index 灌溉需求指數(shù)net irrigation requirement 凈灌溉需水量 返回 irrigation requirement