accurately adjusted rheostat的用法和样例：
- Accurately adjust motor speed which makes door open/close more gentle and sensitve.
- The rare earth ferro silicon cerium accounts for 46-50% of total rare earth,we can accurately adjust the percentage content of rare earth alloy according to the clients request.
- The cases in experimental group were humidified with accurately adjustable infusion apparatus, the control group was humidified with interrupted drop .
- The phase is adjusted manually and harmonically with rapid and accurate adjustment.