单选题For the purposes of cargo oil containment，the fixed container under the manifold of an eight-inch loading line must hold a minimum of（）.Athree barrelsBfour barrelsCsix barrelsDeight barrels
单选题
For the purposes of cargo oil containment，the fixed container under the manifold of an eight-inch loading line must hold a minimum of（）.
A
three barrels
B
four barrels
C
six barrels
D
eight barrels
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