Makina oyeretsera mphamvu yokoka ya Air sieve ndi mtundu wa zida zosankhidwa ndi zoyeretsera, zomwe zimagwiritsidwa ntchito kwambiri pokonza tirigu waubweya, ndipo zimadziwika ndi kutulutsa kwakukulu.Kapangidwe kake ka makina kumaphatikizapo chimango, chokweza, cholekanitsa mpweya, chophimba chogwedeza, tebulo lamphamvu yokoka ...
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