这个机件的功能在于调控各种负荷条件下的运转速度。
It function is to control the running speed under all conditions of load.
在此条件下，就能得到一个不随负荷而变化的恒定系数。
Under this conditions a constant coefficient, independent of load , can be obtained.
操作器转换选择开关：有及无负荷转移的条件下都可以选择操作。
Transfer Selector Switch: Permits selection of exercise with and without load transfer.
操作器转换选择开关：有及无负荷转移的条件下都可以选择操作。
Transfer Selector Switch: Permits selection of exercise with and without load transfer.
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