A.功率 B.調(diào)節(jié)反饋 C.主汽壓 D.調(diào)節(jié)級氣壓
A.0.03Hz B.0.033Hz C.0.05Hz D.0.067Hz
A.±0.0067Hz B.±0.01Hz C.±0.005Hz D.±0.02Hz