短語(yǔ)詞組短語(yǔ)irrigation n ditch 灌水溝temporary irrigation ditch 臨時(shí)渠道The Happy Irrigation Ditch 幸福渠irrigation ditch outlet 灌渠出水口ditch irrigation 溝灌;渠灌film bore ditch irrigation 膜孔溝灌penetration through ditch irrigation 溝灌滲透Border ditch irrigation 畦溝灌溉 返回 irrigation ditch