- variable frequency drives
- 变频: frequency conversion
- 传动装置: transmission; gearbox; geari ...
- 传动装置；传动；啮合: gearing
- 泵传动装置: pump drive assembly
- 传动装置: transmission; gearbox; gearing; actuator; arranger; running gear; driving system; transmission gear; driving device; driving unit; gear-drive equipment
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