caving-working-face

['keɪvɪŋw'ɜːkɪŋf'eɪs]     ['keɪvɪŋw'ɜːkɪŋf'eɪs]    
  • 炮采放顶煤

caving-working-face的相关资料:

临近单词

目录 查词历史