◆用途:SPX系列生化培养箱可广泛用于环境保护、卫生防疫、药检商检、畜牧、水产等大专院校、科研单位、 ...
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一个大学毕业生失业了,在有“人间天堂”之称的杭州。为了“脱贫”,他开了间小公司。在一片被垃圾环绕的破 ...