片语
The Happy Irrigation Ditch幸福渠
penetration through ditch irrigation沟灌渗透
Border ditch irrigation畦沟灌溉
irrigation ditch outlet灌渠出水口
temporary irrigation ditch临时渠道
seepage-preventing ditch irrigation防渗渠灌
furrow irrigation[农工] 沟灌,畦灌;畦沟灌溉
film bore ditch irrigation膜孔沟灌
Irrigation Ditch灌溉水渠;农渠
ditch irrigation district渠灌区