东芝照明技术株式会社解释说，这些问题荧光灯使用过久后，电路可能会造成著火现象，从而升高灯管内部气压，最终造成灯盖掉落。

When the tubes come to the end of their lives, circuits could catch fire and increase air pressure inside the tubes, causing covers to fall off, Toshiba lighting said.

youdao

东芝照明技术株式会社解释说，这些问题荧光灯使用过久后，电路可能会造成著火现象，从而升高灯管内部气压，最终造成灯盖掉落。

When the tubes come to the end of their lives, circuits could catch fire and increase air pressure inside the tubes, causing covers to fall off, Toshiba lighting said.

youdao