A.100 B.98 C.97 D.10
A.不變 B.要變 C.在過(guò)盈配合時(shí)增大 D.在間隙配合時(shí)減小
A.20dB(A) B.25dB(A) C.30dB(A) D.35dB(A)
A.0.02mm B.0.03mm C.0.04mm D.0.05mm