两管的

Outside, your main job is to clean the condenser coil. The fan inside the condenser coil sucks air through the fins, and as a result, pulls dirt and debris with it.

大多数中央空调是由两个基本部分组成的：一部分是室外单元，蒸发器位于中环附近的炉管是在主页和室内单元的旁边。

After two to three days of usage, the diuretic effects of this drug decline because of increased downstream reabsorption of ions and water by the renal tubules; however, the alkalinization of urine persists, and this basic urine attracts weak acids such as uric acid and cystine into the urine, thus increasing their urinary excretion.

在使用两到三天之后，这种药物利尿的效果会下降由于增加了下游肾小细管离子和水再吸收；然而，坚持碱化尿，而这种基本的吸收了弱酸例如尿酸和胱氨酸到尿里，因而增加了尿的排泄

This flux in fracture system drawing by tectonic stress is a pressured pipe flow, and may be described using Bernoulli's equation according to fluid mechanics.

论证了地质流体因其性质和所处地质环境的不同，可划分为多孔介质中的渗流和较宽阔裂隙中的管流两种。

The flowand heat transfer performances of two-row bundles with different fin spacing are carriedout. The effects of fin spacing on air-side heat transfer coefficient and flow resistance arediscussed.

对不同翅片间距的两排管管束流动和传热性能进行了分析，得到翅片间距变化对空气侧表面传热系数和流动阻力的不同作用规律。

There are many differences between the heat transfer with two-fluid and the heat transfer with three-fluid separate type heat transfer units of heat pipe.

中文摘要：采用分离型热管换热组件实现三种流体之间的热交换与两种流体之间的热交换有许多差异。

Two x-heavy half coupling were welded to the top of the tube sheet.

两个X沉重的一半耦合被焊接到顶端的管板。

The continuous ethanol fermentation with mixed substrates consisting of glucose and xylose in two series-wound fixed columns packed with gel beads of immobilized cells was developed and tested in the experiment.

本研究采用海藻酸钙固定普通酿酒酵母细胞和嗜鞣管囊酵母细胞于两个串联的发酵罐内，连续发酵葡萄糖和木糖组成的糖液并与膜耦合来制取酒精。

To raise the sound intensity of the modulated aerodynamic acoustic source in low frequency region, the resonances in two resonance pipes, a straight pipe and a bi-curved horn were tested by forcing the airflow of sound wave to pass through them.

为提高调制气动声源在低频处的发声强度，将含声波的气流通过直管和双曲喇叭两种谐振管产生共振。

Three centuries of concretions that cling to the barrel doubled the gun's weight, estimated at 320 pounds (145 kilograms) when raised from the ocean bottom.

经历了三个世纪，附着在炮管上的石化物使炮重了两倍。当从海底打捞上来时，这门炮的重量大概是320磅（145千克）。

It is pointed out that the finite element analysis results are in good agreement with the Timoshenko classical solutions.

通过分析两铰圆管截面圆弧钢拱的平面外弹性屈曲性能，指出Timoshenko未考虑翘曲的经典解与有限元分析结果吻合很好。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。