“purge valve”可以造什么句，purge valve造句
来源：语文精选馆 2.19W
A canister purge valve is opened periodically to vent the vapor back into induction system.
All relieve& purge valve shall be connected by a vent line leading away from the gas storage area. Vent lines for combustible/ oxidizing gases shall not be grouped together.
All relieve& purge valve shall be connected by a vent line leading away from the gas storage area.
Close the purge valve and the zone valve.
