英语词汇non-chain-pillar entryprotection的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	non-chain-pillar entryprotection
释义	non-chain-pillar entryprotection 释义无煤柱护巷行业词典煤炭无煤柱护巷???采区内不留巷旁煤柱的巷道保护方法。???
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英汉双解词典包含4367426条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

non-chain-pillar entryprotection