A.25 B.18 C.10 D.15
A.6 B.8 C.10 D.15
A.一關后,二關前,三摘軟管,四提鉤 B.一關前,二關后,三摘軟管,四提鉤 C.一摘軟管,二關前,三關后,四提鉤 D.一提鉤,二關前,三關后,四摘軟管