exhaust casing

基本解释

A combustible gas probe is arranged between the exit of the channel of the air casing and the exhaust gathering pipe.
气套通道的出口与排气汇管之间设有可燃气体探测器。
ip.com
If the exhaust system is under a vacuum, the casing must be warmed by gradually introducing the steam, after opening the exhaust valve.
如果排气系统处于真空下，必须在打开排气阀后，逐渐引蒸汽来加热壳体。
bbs.chinadaily.com.cn
The utility model discloses an intermittent silencer for air inlet and exhaust holes of an air cylinder. The silencer comprises a casing, an end plate and an inner pipe.
本实用新型公开一种气缸进、排气小孔间歇式消声器，包括：壳体、端板和内管；