Wanda bought a few presents for the children.

1、

B: A Fish Called Wanda, very interesting!

(《一条名叫旺达的鱼》, 很有意思! )

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2、

Wanda: Yes, but where had they come from?

旺达: 不错.他们是从哪里来的?

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3、

Wanda purchased a monthly ticket for subway.

旺达买了一张地铁月票.

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4、

Wanda nervously wiped her hands on her skirt.

旺达紧张不安地在裙子上擦了擦两手.

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5、

Frugality is an estate alone. But don't be mean to your health, your business.

节俭本身就是一宗财产. 但不要对你的健康和事业吝啬.-----金口玉言.

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6、

When humour be mean to be take seriously, It's no joke.

如果幽默意味着应该拿它当真之时, 那可不是开玩笑的事儿了.

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7、

It was wrong to be mean, to be jealous, to be false, to be cruel.

卑鄙、嫉妒、虚伪、残酷,这都是错误的.

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8、

Valve must be able to be blown into ( to add air via mouth) AND to be filled with water.

阀门必须能够被抬高到（通过阀口充入空气）和用水填充。

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9、

The experiments were carried out with different supply pressure, flow rate and the pilot-operated water hydraulic relief valve opening on.

在不同压力、阀口开度等多种条件下，对先导式纯水溢流阀进行了试验研究。

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10、

Jumping of the edge is an important data for the processing quality of the restriction work edge of valve port.

棱边端跳动为阀口节流工作棱边的加工质量的重要指标。

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11、

Experimental Investigation of the Flow Characteristics of Throttle Valves in Water Hydraulics and Development of a New-type Water Hydraulic Throttle Valve

水压节流阀口流量特性的实验研究及水压节流阀的研制

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12、

The other is to adjust the flow rate at the servo valve by means of pressure difference of the chambers.

二是利用阀口压差对伺服阀流量进行修正。

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13、

For measuring the four discharge characteristic lines of spool valve, and then calculates overlap values by regression method.

通过测量滑阀阀口四条流量特性曲线，利用回归的方法计算出滑阀的叠合量。

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14、

The nonlinearity of active simulation system is induced by friction force, compressible air, and the proportional valve.

其中，主动式模拟系统主要表现为比例阀口气体流动非线性、气体压缩性而引起的非线性以及系统摩擦力所引起的非线性。

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15、

Cavitation is a common harmful phenomenon in hydraulic transmission systems, frequently occurs near the orifice of the valves.

气穴是液压系统中常见的一种有害现象，经常发生在阀口附近。

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16、

The normal-closed electromagnetic valve has reasonable structure design and good close property ofthe valve port to prevent leakage completely.

它结构设计合理，阀口关闭性良好，确保无任何泄漏。

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17、

Corresponding dynamic characteristics simulation results of circuit speed were obtained while the step opening of throttle was given.

使用该模型进行了计算机仿真，当给出阀口阶越开度时，得到对应的回路速度的动特性仿真结果。

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18、

Calculation and Analysis of Static Pressure Characteristics at the Arbitrary-curve-trimmed Rectangular Valve Port of Automotive Power Steering Gear

汽车动力转向器任意曲线切边矩形阀口压力静特性的计算分析

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19、

Flow field indicates conductive value C and the critical pressure ratio b are improved by changing openings.

通过对流场结构的分析表明，改变阀口开度，可以提高阀的音速流导和临界压力比的值；

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20、

The influences of inlet velocity and oil droplet diameter on flow and separation were studied as well.

分析了进口流速、出口压力、阀口开度和阀芯锥角对纯水液压锥阀阀口气穴强度的影响。

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