问题
单项选择题
Filler cargo refers to（）.
A.durable package
B.small pieces
C.the cargo in which the void appear
D.the cargo suitable for stowage in void spaces
答案
参考答案：D
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Filler cargo refers to（）.
A.durable package
B.small pieces
C.the cargo in which the void appear
D.the cargo suitable for stowage in void spaces
参考答案：D