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【单选题】
办公大厦消火栓系统中立管XL-2的顶端标高为A.
-0.6m
B.
3.4m
C.
1.1mm
D.
14.8m
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皮皮学刷刷变学霸
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A.
She dislikes the food she eats.
B.
She is unable to sleep well.
C.
She finds the rent high.
D.
She has no chance to make friends.
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