“ladderway”的概念、定义、翻译、参考文献-科学参考

单词	ladderway
释义	ladderway [`lad·ǝr´wā] ^{MINING ENGINEERING} 1. Also known as ladder road; manway. 2. Mine shaft between two main levels, equipped with ladders. 3. The particular shaft, or compartment of a shaft, containing ladders.
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