ASNT Recommended Practice SNT-TC-1A was established as a reasonable guideline to assist a competent individual in establishing such a program.是什么意思_ASNT Recommended Practice SNT-TC-1A was established as a reasonable guideline to assist a competent individual in establishing such a program.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句