The application status of magnetic particle testing, penetrant testing, eddy current testing, radiographic testing and ultrasonic testing in weld crack inspector were introduced.

介绍了磁粉检测、渗透检测、涡流检测、射线检测和超声波检测技术在焊接裂纹检测中的应用状况。

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In March, an inspector found a large crack, 2 inches wide and 6 feet long, in one of the support columns under the interstate, prompting a closure of parts of the highway.

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He was shouted down several times as he tried to encourage anyone with evidence of a crack conspiracy to submit the information to the LAPD, the CIA Inspector General or a local Congress person.

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