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Ember finished chewing and blew the glass into a long glowing tube.
小焰把玻璃都嚼碎了,把它吹成发着光的长管,然后把它压成台面的形状。
A voltage-regulator tube (VR tube) is an electronic component used as a shunt regulator to hold a voltage constant at a pre-determined level.
Physically, these devices resemble vacuum tubes, but there are two main differences:
Electrically, these devices resemble Zener diodes, with the following major differences:
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