皮皮学，免费搜题
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【单选题】
下列为普通实心标准砖尺寸的是：A.
390mm*390mm*190mm
B.
600mm*300mm*300mm
C.
600mm*300mm*240mm
D.
240mm*115mm*53mm
拍照语音搜题，微信中搜索"皮皮学"使用
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