certified testing是什么意思 certified testing怎么读
certified testing的用法和样例
- Calibration and control of testers and measurements to guarantee all the testers and measurement are available for their measuring and testing.
量具和测试设备的校验和管理，确保所有量具和测试设备满足测试需求。 - The set pressure of all pressure and vacuum relief devices should be verified by testing before the devices are placed in operation.
所有压力和真空泄放装置在投入运行前，应对这些装置的设定压力进行校验。
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