Our quartz tubes are available with no reflector, an internal ceramic reflector, or a gold-backed reflector.

我们的石英管无反射器，而是带有内部陶瓷反射器，或黄金支持反射器。

youdao

Our quartz tubes are available with no reflector, an internal ceramic reflector, or a gold-backed reflector.

我们的石英管无反射器，而是带有内部陶瓷反射器，或黄金支持反射器。

youdao