For fiber, researches both theoretical and experimental, have been done on polymer air drawing mechanism, and for web only experimental researches have been done.

他们针对纤维进行了聚合物拉伸机理的理论研究和相应的实验研究，而针对纤网只进行了有关的实验研究。

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Based on the experiment, a mathematical model between the quantity of air drawing and the diameter of auxiliary pipe for the tapered t branch has been established.

在试验的基础上建立了锥形三通抽气量与辅助管管径的数学模式，与孔板三通比较，锥形三通具有抽气效率高、动力消耗低等优点。

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The paper Outlines the construction features, the drawing principle, the fix of the air drawing jet nozzle, and the fix methods and the maintenance of the air cavity in the nozzle.

简述了气流拉伸喷嘴的结构特点、拉伸原理、安装调整以及喷嘴气流腔的安装方法和保养。

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It is a line drawing made out of aluminum wire that looks like a wavy net floating in mid-air.

VOA: special.2009.05.06

These nanoparticles then oxidise back into silicon oxides, drawing oxygen from the surrounding air.

ECONOMIST: Ball lightning

"Drawing a mass down within the blade of the piston itself compresses the air, " he said.

CNN: Where to store wind-powered energy? Under water!

In an ideal world Mr Brown would govern as best as he can till the late autumn, oversee the implementation of the speeded-up Kelly reforms, thus drawing the sting from the expenses scandal, and then call an election to clear the air.

ECONOMIST: Gordon Brown