A.500—750r/min B.600—800r/min C.500—1000r/min D.750—1000r/min
A.80% B.85% C.90% D.95%
A.冬季0.60~0.90mm,夏季0.70~1.00mm B.夏季0.60~0.70mm,冬季0.90~1.00mm C.夏季0.70~0.90mm,冬季0.60~1.00mm D.冬季0.60~0.70mm,夏季0.90~1.00mm