如果有不结露，确保罐子足够温暖(75 ~ 85f)。

If there is no condensation, make sure the jars are warm enough (75 to 85f).

youdao

因此在进入烟囱之前，必须被再度加热而使烟囱不结露，因此烟气换热器就被运用了。

Before entering the existing stack the flue gas has to be reheated to protect the stack against condensates. For reheating the gas gas Heater (GGH) is used.

youdao

因此在进入烟囱之前，必须被再度加热而使烟囱不结露，因此烟气换热器就被运用了。

Before entering the existing stack the flue gas has to be reheated to protect the stack against condensates. For reheating the gas gas Heater (GGH) is used.

youdao