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、型号定义Model definition

例:GFDD470-155
表示单相220V;风机名誉总长470mm;风轮直径为Φ155mm的顶吹式干式变压器用横流式冷却风机。
For example:GFDD470-155
Representing single-phase 220V top blowing type cross cooling blower for dry transformer with the total length of blower of470mm and the diameter of wheel ofΦ155mm
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