分析各展开剂的展开现象符合检测要求的程度，选择苯与甲醇的比例为1：7作为展开剂。
The spreading phenomena in the different expanded matter are discussed, and the proportion of Benzene and Carbinol is 1:7.
分析各展开剂的展开现象符合检测要求的程度，选择苯与甲醇的比例为1：7作为展开剂。
The spreading phenomena in the different expanded matter are discussed, and the proportion of Benzene and Carbinol is 1:7.
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