The importance of high temperature power aging test and the operation principle of the digital circuit patrol checkout instrument is presented.
阐明高温功率老化输出检测的重要性，介绍“数字电路巡回检测仪”的工作原理。
The preventive measures of regular patrol and periodic device test should be strengthened.
应采取加强巡视和定期设备试验等预防措施；
Surveillance patrols and emergency standby crews shall be available throughout all pressure testing activities to patrol road crossings or other high profile points associated with a test section.
在整个试压过程当中，监督，巡逻和应急人员必须随时在场而对道路穿越和其他和试压段有联系的开阔地段进行巡逻。
Surveillance patrols and emergency standby crews shall be available throughout all pressure testing activities to patrol road crossings or other high profile points associated with a test section.
在整个试压过程当中，监督，巡逻和应急人员必须随时在场而对道路穿越和其他和试压段有联系的开阔地段进行巡逻。
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