Purpose: To testcheck valve No. 2 for tightness against reverse flow.
目的：检测止回阀2号对于回流的密封性。
2
This paper discusses the five main activities of software test and their features, pointing out the two test activities best suitable for automation: test execution and testcheck.
研究了测试的五个活动和它们的特点，指出了最适合于自动化的两个测试活动：测试执行和测试检查。
3
The doctor will examine your throat, test your blood pressure, take your temperature, sound your heart and lungs, check your teeth or have your chest X-rayed.