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单选题
The Waste disposal system is that portion of the system which is used for disposal of water and waste. It includes items such as wash basins, water closets, flushing systems, etc.
A
The waste disposal component of the system is where waste and water are stored and used. It excludes things like wash basins, restrooms, flushing mechanisms, etc.
B
The waste disposal component of the system is the portion other than wash basins, restrooms, flushing mechanisms, etc., which are used for storage of water and waste.
C
The waste disposal component of the system is where waste and water are disposed of. It includes things like wash basins, restrooms, flushing mechanisms, etc.
答案解析
正确答案：C
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