晶体振荡器、声表器件陶瓷外壳具有全密封，强度好，外形小等特点，便于器件安装和封盖。
The ceramic shells for crystal oscillators and audiometers have characteristics of complete sealing, good strength, small volume etc. They are easy to fix and seal.
晶体振荡器、声表器件陶瓷外壳具有全密封，强度好，外形小等特点，便于器件安装和封盖。
The ceramic shells for crystal oscillators and audiometers have characteristics of complete sealing, good strength, small volume etc. They are easy to fix and seal.
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