A drain sump is filled with adequate condensate so that it can remain water-tight during the whole discharge cycle.

集水仓存集足够的凝结水，保证在整个排放周期都能够保持水封。

youdao

A drain sump is filled with adequate condensate so that it can remain water-tight during the whole discharge cycle.

集水仓存集足够的凝结水，保证在整个排放周期都能够保持水封。

youdao