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竖井
释义
竖井shùjǐng(1)[vertical shaft](2)开采矿石中通达矿床的竖直的通道,为提升矿物、运送人员和材料、通风等用(3)穿过建筑物各层楼的垂直的开口或通道通风竖井
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更新时间:2026/4/25 23:28:00