The veterinary health certificate for SVC-susceptible fish must be dated no more than ____ days prior to the date of entry to the United States.
A.60 B.30 C.10 D.7正确答案B
The veterinary health certificate for SVC-susceptible fish must be dated no more than ____ days prior to the date of entry to the United States.
A.60 B.30 C.10 D.7正确答案B
