A method for determination of in-hole dynamic force-penetration data from two-point strain mesurement on a percussive drill rod Analysis of elastic wave in non-uniform rods from two-point strain measurement是什麼意思_A method for determination of in-hole dynamic force-penetration data from two-point strain mesurement on a percussive drill rod Analysis of elastic wave in non-uniform rods from two-point strain measurement在線翻譯_英語_讀音_用法_例句