用“traction machine”造句大全，traction machine造句

The traction machine drives car moving up and down in well.

Energy Saving: High efficiency synchronic motor, its consumption energy is only 60% of normal traction machine. It can save a big amount of running cost.

Flexible: Light and small cubage AC gearless traction machine enables the machine roomless or small machine room. It can save construction cost as well as provide more space for designing.

This frequency range is proximate to main vibration frequency of the traction machine at rated speed, and, according to this, measures against elevator resonance are proposed.