The influence of PVC on separation efficiency and pressure drop was analysed.

Presents the theoretical model of pressure drop for flexible duct.

摘要介绍了柔性风管压力损失的理论模型.

However, the pressure drop occurs almost completely in the plug.

然而, 压力降几乎完全发生在多孔塞中.

I'll give you a drop of something to warm you up.

我给你一杯酒暖暖身子.

Preparation of ultra-fine active zinc oxide by zinc dross was investigated in this paper.

研究用硫酸浸出锌浮渣制备超细活性氧化锌粉体的扩大试验.

The car drove out.

汽车开出去了.

The new question drove out all others.

这个新问题使人们把其它问题都丢开了.

He drove out to meet his sister.

他开车出去见他妹妹.

She drove out to the park and around for a while.

她开车来到公园,在周围转了一会.

They drove out in a clumsy high carriage.

他们乘坐难看的高大的马车出去了.

The workers drove out a long tunnel.

工人们挖出一条长长的隧道.

More than once the senators have hanged the drum for a stronger nuclear deterrent.

参议员们多次竭力主张加强核威慑力量.

The manager was out to bang the drum for the company's new products.

经理外出为公司的新产品做宣传去了.

He drums a drum for the band.

他为乐队敲鼓.

Many Chinese like to beat the drum for their children's academic achievements.

许多华人喜欢到处宣扬儿女的学业成就.

That manager is always beating the drum for his own team.

那个经理经常为他自己的球队做宣传.

Suitable crowd: Normal and dry skin, mixing skin, old skin, dark skin.

适用人群: 中干性肌肤 、 混合性肌肤 、 衰老肌肤及暗黄肌肤.

How to use : Apply to clean, dry skin morning and night.

早晚涂于清洁干爽面部,取少量于眼周轻拍.

To Store in the dry, clean, shady , and well-ventilated warehouse, Month & mildew Proof.

产品应存放在阴凉、通风、干燥 、 清洁的库房内, 并 防霉,防蛀.

It eats and lives in the dry grass plains in Australia.

它是食草动物,生活在澳大利亚的干草平原.

You should place the TV set in the dry.

你应把电视机放在干燥的地方.