Soybean milk machine AC motor or DC motor is good?

Soybean milk machine AC motor or DC motor is good?

With a special fragrance, and slightly stimulated; slightly sweet, and accompanied by stimulating spicy taste. Flammable gas whose vapors can form explosive mixtures with air and can be miscible with water at any rate.

Ethanol is a flammable, volatile colorless transparent liquid at low temperature and atmospheric pressure. It can not be used directly because of its low toxicity and pure liquid;