真空管助听器

真空管助听器

简明

1
vacuum hearing aid
真空（管）助听器；

网络释义
专业释义

1
vacuum hearing aid
... vacuum headache 真空性头痛(额窦口阻塞所致)... vacuum hearing aid 真空管助听器... vacuum heater 真空加热器...
2
vacuum tube hearing aid
... vacuum tube Gmmeter ==> 电子管互导测量仪 vacuum tube hearing aid ==> 真空管助听器 vacuum tube microammeter ==> 电子管微安计 ...
3
vcuum hering id
... vcuum guge 真空计 vcuum hering id 真空管助听器 vcuum investing mchine 真空包埋机(牙科) ...

双语例句

1
它们能用在不宜采用真空管的装置上，例如能用在放在耳朵内的助听器里。
They can be used in devices for which vacuum tube valves were unsuitable, such as in hearing AIDS designed to fit into the ear.

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