collapse-fissure塌陷: subside; collapse; sink; cav ...裂缝: rent; rip; hiatus; tear; rif ...背斜顶部的塌陷裂缝: crestal collapse fracture崩陷裂缝: collapse-fissure沉陷裂缝: crack due to settlement下载手机词典可随时随地查词查翻译
