A.81.6 B.121.4 C.168.2 D.171.2
A.0.04 B.0.004 C.0.001 D.0.01
A.1個(gè)時(shí)隙 B.2個(gè)時(shí)隙 C.3個(gè)時(shí)隙 D.4個(gè)時(shí)隙