A.大于95% B.等于95% C.小于95% D.大于等于95%
A.70% B.90% C.85% D.98%
A.全廠調節(jié)上、下限值 B.全廠振動區(qū)上、下限值 C.全廠振動區(qū)上限值 D.全廠振動區(qū)下限值