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实验材料组织胰蛋白酶试剂、试剂盒二甲苯乙醇生理盐水仪器、耗材尼龙网 实验步骤1. 把石蜡包埋组织切成 40~50 μm 厚的组织片 3~5 片，或用乳钵研成 0.5 mm 直径大小颗粒状，放入 10 ml 的试管中