absorption field trenchabsorption trenchauwaicatchworkchannel for irrigationfeed canalfeed ditchirrigation canalsirrigation channelirrigation ditchirrigationcanalzanja暗灌溉渠: karez; kariz (坎儿井)灌溉渠道网: irrigation canal network灌溉渠水: catchwater灌溉渠网: irrigation network; network of irrigation channels地下灌溉渠道: kanat; karez下载手机词典可随时随地查词查翻译