file:中冷习题集答案.ppt file:中冷测试题（7）.doc file:制冷设备维修工培训2011.ppt file:制冷设备维修工精选试题一.doc file:制冷技术职业技能鉴定国家题库统一试卷及答案.doc file:制冷工职业资格考试试题二-8.doc file:理论复习题讲解录像（2）.flv file:14：空调器制冷系统原理与维修（制冷百家版权）.MP4 file:2、5两级压缩（录像）.MP4 file:02：蒸气压缩式制冷原理(制冷百家版权）.MP4 file:24制冷剂、润滑油、载冷剂（四）.mp4 file:06小型制冷装置（汽车空调，冷库）.mp4 file:05其他制冷原理讲解（吸收式、氨制冷）.mp4 file:04压焓图的讲解与运用.mp4 file:03空气调节（焓湿图）录像.mp4 file:02热力学基础（压焓图，焓湿图，空调调节）.mp4 file:01工质的基本状态参数（制冷百家版权).MP4 file:02电气仪表的使用（兆欧表）.mp4 file:直冷冰箱电路.AVI file:空调漏电检查与处理_baofeng.avi file:1205、1206电子元件测量_baofeng.avi