Read Edit View history 直井 zhíjǐng vertical shaft Origin Definitions Defs Strokes Stroke Words Sentences Sents 直井 zhíjǐng vertical shaft vertical mine shaft used for ventilation, drainage, or transportation Cross-References Same as 竖井 shùjǐng
直井 zhíjǐng vertical shaft vertical mine shaft used for ventilation, drainage, or transportation Cross-References Same as 竖井 shùjǐng