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本文以测试三种配方的混合材料在不同介质中表现出的不同膨胀特性为出发点,提出了按特性将缓冲/回填材料分层设置的观点。
In this paper, based on the test of different expansion characteristics of the mixed materials in three kinds of formulations in different media, this paper puts forward the point that the buffer / backfill materials are layered according to the characteristics.