1. 如果有空气从示功阀中吹出，则表明相应汽缸的启动阀，必须进行检修。
If there is air blown out of the indicator cocks, it indicates that the air starting valve corresponding to the cylinder should be repaired.
2. 功阀
2. 如果有空气从示功阀中吹出，则表明相应汽缸的启动阀漏泄，必须进行检修。
If there is some air blown out from the indicator cocks, it indicates that the air starting valve corresponding to the cylinder is leaking.
3. 是否有冷却水、冷却油、燃油等从示功阀中吹出。
1 Whether or not the cooling water, cooling oil, fuel oil, etc.
4. 功阀的意思
4. 关闭所有示功阀。
2 Shut all indicator valves certainly.