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单选题
Drains are provided to carry fluids from any point where lines and accessories may leak and where fluids may accumulate in a cavity.
A
The purpose of drains is to transport liquids from areas where there may be leaks in lines or accessories, as well as areas where fluids may gather in a confined space.
B
Drainage happens where lines and accessories may leak and where fluids may accumulate in a cavity.
C
Fluids are drained from any point where lines and accessories may leak.
答案解析
正确答案：A
