Enclosure has no vent opening. Enclosure dimensions exclude the external aluminum heatsink.

外包装没有通风口。外包装尺寸并不包括外置铝散热片。

youdao

The no campaigners turned elsewhere to vent their spleen.

BBC: Delegates keep quiet as protesters heckle

Others protest and vent online for years with no result.

ECONOMIST: Rural activism

Its surface is no more unpleasant than the inside of a volcanic vent, where bacteria thrive.

NEWYORKER: The Martian Chroniclers