______ means a unit in which goods are totally enclosed by sufficient strong boundaries such as a freight container, a tank or a vehicle unit with fabric sides or tops.A.UNITB.CONTAINERC.VEHICLED.CLOSED TYPE UNIT
题目
______ means a unit in which goods are totally enclosed by sufficient strong boundaries such as a freight container, a tank or a vehicle unit with fabric sides or tops.
A.UNIT
B.CONTAINER
C.VEHICLE
D.CLOSED TYPE UNIT