由于速度极慢，应选取研磨得极细的咖啡粉来萃取。
Due to extremely slow speed, should select a very fine abrasive powder to extract the coffee.
衡水鼻烟壶在研磨极细的优质烟草末中，掺入麝香等名贵药材，并在密封蜡丸中陈化数年以至数十年而成。
Snuff is a fine grinding of high quality tobacco at the end, the incorporation of rare medicinal herbs such as musk, and aging in a sealed Lawan in a few years or even decades made.
从而，能在较小体积内对极细粉尘、研磨火花细粒处理、且能在室内直接排风。
It can treat fine powdered dust in small space and direct exhaust in room.
从而，能在较小体积内对极细粉尘、研磨火花细粒处理、且能在室内直接排风。
It can treat fine powdered dust in small space and direct exhaust in room.
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