She wore no hose, even though the spring air still had a bite to it.
她没有穿长统袜，尽管春天的空气仍然有点冷。
Open vent needle valve and bleed air from hose. Then close vent valve.
开启排气针形阀，并从软管排放空气。然后关闭排气阀。
Open valve a to vent air from the vent hose.
开启阀门A从排气软管处排出空气。
A hose that carries air under pressure .
一种在压力下运输气体的管子。
Use your Breath, not an air hose.
可用嘴去吹，但不要用通气管。
Use your Breath, not an air hose.
可用嘴去吹，但不要用通气管。
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