题目内容
有一490mm×490mm，高3.6m的独立砖柱，镶贴人造石板材(厚25mm)。结合层为1:3水泥砂浆，厚15mm，根据《房屋建筑与装饰工程工程量计算规范》GB50854，镶贴块料工程量为()m2。
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