EXPERIMENTAL STUDY ON COEFFICIENT OF FRICTION BETWEEN A BOX CULVERT AND MIXTURE COMPOSED OF THIXOTROPIC SLURRY AND CLAY OR STEEL PIPE DURING CULVERT BEING PUSHED BY PIPE-ROOF是什麼意思_EXPERIMENTAL STUDY ON COEFFICIENT OF FRICTION BETWEEN A BOX CULVERT AND MIXTURE COMPOSED OF THIXOTROPIC SLURRY AND CLAY OR STEEL PIPE DURING CULVERT BEING PUSHED BY PIPE-ROOF在線翻譯_英語_讀音_用法_例句