... 风选机进风门调节器 fanning mill shutter adjuster 风选 air classification; air separation; dry blowing; fanning; pneumatic concentration; pneumatic separation; pneumaticconcentration; pneumaticseparation; wind selection; winnowing machine 趁风扬帆 hoist the sail by taking advantage of the wind; hoist the sail while the wind is good [blows]; set sail when the wind is fair ...
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