此系列加热器包括一个清洁的敢接加热器和一个连接箱。

These heaters come with an all purged welded heater and junction box.

youdao

此系列加热器包括一个清洁的敢接加热器和一个连接箱。

These heaters come with an all purged welded heater and junction box.

youdao