通过调整阴极温度和采用“联合排气工艺”，黑白显象管的平均寿命提高了四倍以上。因此，早期失效的问题基本得到解决。

By regulating the cathode temperature and applying the combined exhaust techniques, the mean time of no-failure operation of this picture tube is lengthened more than four times.

youdao

通过调整阴极温度和采用“联合排气工艺”，黑白显象管的平均寿命提高了四倍以上。因此，早期失效的问题基本得到解决。

By regulating the cathode temperature and applying the combined exhaust techniques, the mean time of no-failure operation of this picture tube is lengthened more than four times.

youdao