相关考题
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单项选择题
饮用水注入管()
A. fresh water filling pipe
B. bilge water filling pipe
C. drinking water filling pipe
D. sea water filling pipe -
单项选择题
淡水注入管()
A. fresh water filling pipe
B. sea water filling pipe
C. ballast water filling pipe
D. bilge water filling pipe -
单项选择题
测深管()
A. sounding pipe
B. steel pipe
C. plastic pipe
D. wooden pipe
