ditch irrigation

基本解釋

I was what, nine years old and they found Earl dead in a irrigation ditch .
我那時(shí)才多大，九歲吧，有人發(fā)現(xiàn)俄爾死在灌溉圳里。
Analyses research the characteristics of Film—Hole Ditch Irrigation and water flow advance and regression process based on field experiment data.
通過(guò)大田試驗(yàn)分析研究了膜孔溝灌的特點(diǎn)和田面水流推進(jìn)及消退特性；
The result showed that drip irrigation could saved water by 50% than ditch irrigation, and fruit output increase 17%, sugar content increase 1.9%.
結(jié)果如下：滴灌試驗(yàn)表明，項(xiàng)目區(qū)使用滴灌比溝灌能夠減少用水量50%以上，產(chǎn)量提高17%，含糖量提高1.9%。