factory cost sheet
... Factory burden 工厂负荷 Factory cost sheet 制造成本单 Factory expense ledger 制造费用分类帐 ...
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这种方法适合于任意极比的单绕组双速电机，采用这种方法可降低电机制造成本，改善电机运行性能。
It is shown that this method is suitable for any pole-ratio 2-speed single-winding induction motors and can reduce the production costs and improve the operational performances of the motors.
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