基本解釋水頭,液壓壓頭英漢例句雙語例句There have been a lot of achievements on hydraulic head distribution in aquifer, but the research work on hydraulic head distribution in relative water resisting layer is not sufficient.地下水水頭在含水層中的分佈已有許多研究成果,但在相對隔水層中的分佈還缺乏深入研究。Based on the analysis of hydraulic theory and experimental data obtained by author, it is confirmed that Chevielev's formula can be used for computing the hydraulic head loss of plastic tubes.在理論分析和實測資料的基礎(chǔ)上,作者肯定了謝維列夫公式能用來分析和計算塑料琯的水頭損失。Negatively pressurized irrigation(NPI) method, a newly irrigation technology, in which the elevation of the emitters is higher than that of the water source, runs under negative hydraulic head.負(fù)壓灌溉法是一種新近提出的節(jié)水灌溉技術(shù),灌溉時供水水頭爲(wèi)“負(fù)值”,即灌溉水源高程低於灌水器高程。hydraulic head更多例句詞組短語短語hydraulic circulating head 循環(huán)頭hydraulic pump head 液壓泵蓋hydraulic cylinder head 液壓油缸蓋hydraulic c head 液壓頭hydraulic loss head calculation 水力損失水頭計算hydraulic head更多詞組專業(yè)釋義水利工程水位差交通運輸工程水頭地球科學(xué)水勢水頭動力與電氣工程液壓雲(yún)臺機械工程水壓頭環(huán)境科學(xué)技術(shù)壓力水頭經(jīng)濟學(xué)液壓頭