当玻璃管被取出时，那是一个令人担心的时刻。
It was an anxious moment when the glass thing was withdrawn.
将玻璃管加热到能弯曲的程度。
杰克：玻璃管。
而玻璃管非常光滑。
这就是玻璃管。
玛丽亚：玻璃吹制工过去通常手工制作每一个玻璃管吗？是一次一个吗？
Maria: Glassblowers used to make each tube by hand? One at a time?
玻璃管两端内侧的电极与一个高压电源相接。
Electrodes inside each end of the glass tube are connected to a high-voltage source.
因为工厂里太热了，现在大部分的x光玻璃管都是机器生产的。
它能保持流体分界面在倾斜的玻璃管中基准线上。
It can maintain a fluid interface at a reference line in an inclined glass tube.
玻璃吹制工过去通常手工制作每一个玻璃管吗？是一次一个吗？
Glassblowers used to make each tube by hand? One at time? That's right.
适用于玻璃板、玻璃管等制品的切割。
It is mainly applicable to cutting such products as glass plate and glass tube.
适用于玻璃板、玻璃管等制品的切割。
It is mainly applicable to cutting such products as glass plate and glass tube.
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