查询词典 jet-black

South Korean can not produce air jet, they said they had invented air planes 500 years ago.

南朝鲜人自己造不出飞机，就说他们在500年前就已经造出了飞机。

This increases the cost of weaving and tends to make air jet looms less attractive.

织造成本的提高使喷气织机有被忽视的倾向。

As an important part of the research, the effects of these parameters on fuel/air mixing in the wall jet and boundary layer are studied.

作为研究的一个重要方面，分析和讨论了这些参数变化对壁面喷注及壁面附面层内燃空混合的影响。

At $150 million apiece, the F-22A is the most expensive Air Force jet.

在1.5亿美元分，该架F - 22A条是最昂贵的空军飞机。

Military planes have located more debris from an Air France jet that crashed in the Atlantic.

军方飞机已经找到了更多坠落在亚特兰大的法国飞机的残骸。

An Air France passenger jet with more than 200 people on board is missing off the coast of Brazil.

一架载有 200 多人的法航客机在巴西沿海地区上空失踪。

The effects of cryogenical cold air jet on the breaking of cutting chip are discussed.

在机加工行业中，断屑质量是影响工件加工精度的一个重要方面。

They are looking for clues as to why a Cam air jet crashed on takeoff.

他们在找寻这架Cam喷气式飞机起飞时失事的有关线索。

The applicability of the model will be high for Continental Airlines in Newark, New York, Logan Airport and Washington air shuttle between the airport, after the route has been carried by the jet.

这款适用性高的机型将被用于大陆航空纽约纽瓦克机场和华盛顿洛根机场之间的穿梭航空，此前该航线一直由喷气飞机执行。

A large range of IRZ and intense fluctuating velocity area around the boundary of IRZ is measured and thought to be important to keep the excellent ignition and combustion characters of the new kind swirl burner. Together with temperature trace method, different structure and operation parameter of the burner are studied in this paper about their effects on turbulent and mixing characters of swirling jet. The structure variation includes different blade angle, use of central gear shape baffle, variable outer length and angle of lean primary air outlet, use of wedge outlet of lean primary air.

采用上述两种测量方法并结合热质比拟温度示踪的方法，本文对径向浓淡旋流煤粉燃烧器喷口结构和气流流动参数的变化对旋流流场的流动、混合、湍流脉动特性的影响进行了深入研究，研究了旋流叶片倾角大小、中心齿型扩锥、淡一次风扩口外伸长度和扩角的变化、淡一次风楔形扩口、直流二次风扩口角度的变化对出口旋转射流流动特性的影响，研究了一次风率和旋流二次风率运行参数变化的影响规律。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷