单选题Upon underwater（）by divers，there are no apparent（）on the bottom plates of the said vessel.Adetection，defectsBdefection，defectsCdefects，defectionDdefects，detection
单选题
Upon underwater（）by divers，there are no apparent（）on the bottom plates of the said vessel.
A
detection，defects
B
defection，defects
C
defects，defection
D
defects，detection
参考解析
解析：
暂无解析
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