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坐便器安装不能用水泥砂浆填塞坐便器底端（）

A.正确
B．错误
【参考答案】

B．错误坐便器安装时，通常需要用水泥砂浆填塞坐便器底端，以确保坐便器与地面之间密封良好，防止漏水和固定坐便器。使用专用的......

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