发布时间:2025-01-22 23:49:45
1 保压试验
1 注氮,压力3Kg,一次,15Min,(检查大漏点)
2 注氮,压力15Kg,两次,15Min,(检查大漏点)
3 R22冷媒系统 注氮,压力28Kg,24Hours,(检查细微漏点)
R410A冷媒系统,注氮38Kg,24Hours,(检查细微漏点)
2 压力 0.1MPa 20Min,4摄氏度,水汽蒸发,,此过程为抽真空,真空干燥应在保压试验后进行
(以上各内容纯属本人笔记本上摘抄的,不得复制!!!)
阔字用部首查字法应先查部再查画它是结构 威字用数笔画查字典再查画
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2025-01-22 23:49:45 2025-01-22 23:49:45 2025-01-22 23:49:45 2025-01-22 23:49:45 2025-01-22 23:49:45 2025-01-22 23:49:45我是大二的学生还有两年就要踏入社会了学习的是环境艺术设计主要偏向于室内设计我想知道作为一个
2025-01-22 23:49:45 2025-01-22 23:49:45 2025-01-22 23:49:45 2025-01-22 23:49:45 2025-01-22 23:49:45 2025-01-22 23:49:45 2025-01-22 23:49:45 2025-01-22 23:49:45 2025-01-22 23:49:45 2025-01-22 23:49:45 2025-01-22 23:49:45 2025-01-22 23:49:45 2025-01-22 23:49:45