An air straightener should be placed down stream from propeller to counteract circular air motion in the tube . 一種氣體直線流動(dòng)器應(yīng)該使氣流從推進(jìn)器的反作用中使氣體的活動(dòng)在管內(nèi)循環(huán)。
What is the voltage sensitivity of down stream equipment 下游負(fù)載設(shè)備耐過壓的能力有多高?
H . overall development of farming and animal husbandry , and down stream processing H農(nóng)牧業(yè)綜合開發(fā)及其產(chǎn)品深加工。
Requirement : air inlet must start to open when down stream pressure is 1 . 0 psi or above 要求:當(dāng)下游流體壓力在1 . 0psi及以上時(shí),空氣進(jìn)口必須開始打開。
Studies on counter - measures of controlling deterioration of ecological conditions in the down stream of shiyang river 遏制石羊河下游生態(tài)惡化的對(duì)策研究