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1·Heat the glass tube to the point that it can bend.

将玻璃管加热到能弯曲的程度。

2·The glass tube is very smooth.

而玻璃管非常光滑。

3·I have here the glass tube.

这就是玻璃管。

4·Made of special glass tube and fluorescent powder.

采用特殊玻管和荧光粉。

5·For high voltage switching (above 500v), the glass tube is evacuated.

对于高电压开关(高于500 V)，玻璃管则是被抽空的。

6·I have a glass tube that I want to rotate and in the glass tube, I have a marble.

我想要转动一根玻璃管，在玻璃管内，有一颗珠子。

7·The two wires may be sealed into a glass tube and the air can be pumped out.

可以把这两根导线封入一根玻璃管内，并且可以把空气从玻璃管内抽出去去。

8·It is a glass tube. He wants to narrow the light so he puts a couple of slits here.

这是根玻璃管子，他想要减少光的发散，所以在这里开了几个口子。

9·Made of boron or quartz glass tube which can be penetrated by ultraviolet ray.

采用可以透过紫外线的高硼或石英玻管。

10·It can maintain a fluid interface at a reference line in an inclined glass tube.

它能保持流体分界面在倾斜的玻璃管中基准线上。