发布时间:2025-01-23 00:01:06
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!!!)
笔记本里i5-8300h和i5-7300hq的CPU在游戏体验上有多大差别
2025-01-23 00:01:06 2025-01-23 00:01:06 2025-01-23 00:01:06 2025-01-23 00:01:06 2025-01-23 00:01:06 2025-01-23 00:01:06如图所示是重型订书机和普通订书机结构图请认真观察这两种订书机并回答下列问题1两种订书机
2025-01-23 00:01:06 2025-01-23 00:01:06 2025-01-23 00:01:06 2025-01-23 00:01:06 2025-01-23 00:01:06 2025-01-23 00:01:06 2025-01-23 00:01:06 2025-01-23 00:01:06 2025-01-23 00:01:06 2025-01-23 00:01:06 2025-01-23 00:01:06 2025-01-23 00:01:06 2025-01-23 00:01:06 2025-01-23 00:01:06 2025-01-23 00:01:06