立井 lìjǐng vertical shaft Definitions Defs Origin Strokes Stroke Words Sentences Sents 立井 lìjǐng vertical shaft vertical shaft used in mining or civil engineering for ventilation, drainage, or the transport of materials and workers Frequency Written text 0.142 per million Cross-References Same as 竖井 shùjǐng Sources Frequency data BCC Corpus (BLCU)
立井 lìjǐng vertical shaft vertical shaft used in mining or civil engineering for ventilation, drainage, or the transport of materials and workers Frequency Written text 0.142 per million Cross-References Same as 竖井 shùjǐng Sources Frequency data BCC Corpus (BLCU)