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 needle valve "b" to bleed air and then close "b" and vent needle valve.
开启针形阀“B”排放空气，然后关闭“B”和排气针形阀。
Open the upper sea inlet valve and close the lower one.
打开高位海底阀，关闭低位海底阀。
Close the cold water inlet valve and open a nearby hot water faucet.
关闭冷水进水阀，打开附近的热水水龙头。
Air solenoid valves are used to open and close the valve.
采用航空电磁阀控制阀门开闭。
Air lock and dust discharge valve open or close in turn up and down.
锁气翻板卸灰阀为上下交替开闭，自动复位机构。
Air lock and dust discharge valve open or close in turn up and down.
锁气翻板卸灰阀为上下交替开闭，自动复位机构。
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