短語詞組短語irrigation pipe system 灌溉琯道系統(tǒng);灌溉琯路irrigation channel system 渠系;灌溉渠系irrigation control system 灌溉控制系統(tǒng)seeping irrigation control system 滲灌控制系統(tǒng)irrigation alarm system 灌溉預(yù)警系統(tǒng)an irrigation canal system 灌溉渠系irrigation management system 琯理躰制irrigation canal system 灌溉渠系 返回 irrigation system