使气

Ventilation: positive downdraft exhaust ventilation should be provided to maintain vapor concentration below TLV.

通风: 为了使气体聚集程度维持在阀极限值之下,应提供通畅的向下棋流排气通风设施.

Pumps to transport or pressurize gases are called compressors , Blowers, or fans.

用来输送气体或使气体增压的泵类称为压缩机 、 鼓风机或风扇.

The ballast may be thrown out to make the balloon go higher.

沙袋可以抛掉以使气球飞得更高.

Better to live in a desert than with a quarrelsome and ill-tempered wife.

宁可住在旷野,不与争吵使气的妇人同住.

There are medicines that can reduce inflammations and open air passage.

有一些药物可以用于减轻炎症并使气道开放.

A 15-day heat wave raised temperatures up to 110 degrees Fahrenheit.

一场持续了15天的热浪使气温升高到110华氏度.

A rise in the temperature of the gas results in its expansion.

气体温度上升致使气体膨胀.

The extra heat energy required to expand a gas against a constant pressure.

恒压下需要额外热能才能使气体膨胀.

His comment served only to poison the atmosphere still further.

他的评论只有使气氛更加恶化。

The storm sent the temperature down.

暴风雨使气温下降.

The buildup of pressure would force gas outward at speeds far above escape velocity.

压力的增加,将迫使气体以远高于脱离速度的速率向外逃逸.

The tongue presses its back against the soft palate and releases the air through the nose.

舌根抵向软腭,使气流从鼻腔出来.

Heat causes the distension of gases.

热使气体膨胀.

Belling out the tubes will permit a freer passage of air.

把管子做成钟状,可使气流更畅通.

The denatured proteins coagulate, stiffening the foam and stabilizing the air bubbles.

变性后的蛋白质会凝结, 使泡沫变硬,使气泡更稳定.

Mulching with straw increased soil water content air relative humidity, air temperature but decreased soil temperature.

姜田地面覆草可显著增加土壤含水量,降低地温,提高空气相对湿度, 但使气温稍升.

The gasoline engine supplies power that causes propeller to whirl. This fills the chamber with air.

汽油发动机供能后,螺旋桨便旋转起来, 这就使气箱内充满了空气.

Driving off, with Mammy beside him, each was a perfect picture of pouting African disapproval.

他赶着车动身子, 嬷嬷坐在他身旁, 刚好构成一副非洲人撅嘴使气的绝妙图画.

Pollution can aggravate asthma.

污染会使气喘加重。

Sumptuous food and patriotic music created an atmosphere of elegant conviviality.

佳肴盛馔和爱国乐曲,使气氛十分优雅而欢乐.

What caused the balloon to plummet?

是什么原因致使气球骤然跌落下来了 呢 ?

The minimum pressure required to liquefy a gas at its critical temperature is its critical pressure.

使气体临界温度时液化所需要的最小压力就是该气体的临界压力.