Use them in proprietary oil-warmers, or add a few drops to pieces of cloth and hang them in warm places, like over lamps (not too close to the bulb), on radiators or in front of your car air-vents.
在专用的香薰器里使用，或者滴几滴在布条上，把它们悬挂在温暖的地方，如灯具的上方(不要离灯泡太近)，或者放在散热器上和汽车的通风口处。
The first step is to close all vents and openings at the top of the hoistway to prevent water from entering the elevator shaft.
第一步是关紧电梯井道上方所有的排气口以及出口，防止水进入电梯井道。
Large intake vents open so that the output pressure off small increase, thus putting downward movement so that implementing agencies spool valve to open or close.
进气口开大排气口关小使输出压力增加，因此执行机构推杆向下移动使调节阀阀芯开启或关闭。
Large intake vents open so that the output pressure off small increase, thus putting downward movement so that implementing agencies spool valve to open or close.
进气口开大排气口关小使输出压力增加，因此执行机构推杆向下移动使调节阀阀芯开启或关闭。
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