更多rotative例句

1. Small rotative pressure engines form extremely convenient motors for hoists, capstans or winches, and for driving small machinery.
2. Small rotative pumps are run faster, but at some loss of efficiency.
3. Rotative pumping engines of large size have a plunger speed of 90 ft. per minute.
4. The favorable economical effect of high rotative speed, per se, was very apparent.
5. The rotative speeds of turbines, operating under any given head, should thus increase as their capacities and diameters decrease.