main irrigation canal

基本解釋

The paper proposes a method of the piecewise water distribution of main canal according to the characteristic of irrigation canal in mountainous area.
針對(duì)山區(qū)灌溉渠道的特點(diǎn)，提出了乾渠分段配水的方法，分別對(duì)來水充足和來水不足條件下的乾渠配水進(jìn)行了理論分析和實(shí)例計(jì)算，取得滿意成果。
Filling the role of both transportation and distribution, the main canal in Bojili Irrigation District has long flow time, high flux and large water loss.
簸箕李灌區(qū)的乾級(jí)渠道作爲(wèi)輸配兩用渠道，其過流時(shí)間較長(zhǎng)，流量較大，水量損失亦較大。
By means of numerical calculation, model test and field investigation the sedimentation of the underground culvert at the main irrigation canal in North -Jiangsu Province was analysed.
通過數(shù)值計(jì)算、模型試騐和現(xiàn)場(chǎng)觀測(cè)，對(duì)通榆河與囌北灌溉縂渠立交地涵的泥沙淤積進(jìn)行了綜郃分析。