The multistage powder selecting machine comprises a shell, a motor, a rotor, wind guide blades, cyclone cylinders, a feeding pipe and a wind converging pipe;

包括壳体、电机、转子、导风叶片、旋 风筒、进料管和汇风管；

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During a routine run in 1986 a few days after the Chernobyl fire, one of the pebbles became lodged in a pipe feeding the fuel to the reactor.

ECONOMIST: Prospects for a new type of nuclear reactor look mixed