词语竖井
解释coal pit;silo;silos
竖井vertical shaft详细»
竖井shaft;vertical shaft详细»
竖井silo;silos详细»
竖井〔名词〕riser,box-coupling详细»
竖井pitshaft详细»
竖井shaft;vertical shaft;well详细»
竖井open well;vertical shaft详细»
竖井〔名词〕shaft,well详细»