由于节省了大功率电动机及大功率变频器系统等原因，整个测试台的建造成本大幅度降低。
The cost of the test floor has decreased greatly because it has saved the large power electromotor and the transducer.
由于节省了大功率电动机及大功率变频器系统等原因，整个测试台的建造成本大幅度降低。
The cost of the test floor has decreased greatly because it has saved the large power electromotor and the transducer.
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