例句與造句

1. Other content in this paper is the design and investigation of spiral inlet port . the geometries that compose intake port have been repeatedly when intake port scheme was designed . the intake port scheme has been carried out steady - flow test . the experiment data has been analyzed and investigated , then the performance of inlet port has been estimated by the fluid coefficient and the whirl ratio . at last , the spiral inlet port scheme has been selected based on matching relation of the factors of combustion system . in addition , how to " intake port synthesis performance coefficienf ' evaluate engine intake port has been discussed
   本文的另一項內(nèi)容是螺旋進(jìn)氣道的設(shè)計和研究。通過對進(jìn)氣道的幾個主要結(jié)構(gòu)參數(shù)進(jìn)行反復(fù)修改擬定進(jìn)氣道方案，并對其進(jìn)行穩(wěn)流試驗，分析和研究試驗數(shù)據(jù)，利用流通系數(shù)、渦流比進(jìn)行進(jìn)氣道性能評估，根據(jù)燃燒系統(tǒng)要素的匹配關(guān)系，確定了兩種螺旋進(jìn)氣道方案。另外，本文探討了“進(jìn)氣道綜合性能系數(shù)”對發(fā)動機(jī)渦流進(jìn)氣道性能的評估能力。
2. It's difficult to find fluid coefficient in a sentence. 用fluid coefficient造句挺難的