英语词汇“non-chain-pillar entryprotection”的中英文释义、用法、翻译及短语词组-英汉翻译词典-东流网

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。???
随便看	-free free free(1) free 3,5,3'-triodo thyronine concentration assay free Abelian group freeable free acceleration test free-access free access free-access file free access floor free access laboratories freeacid free acid free acid concentration free acid content free acidity free acid test free acknowledgement free action free activity period free additive group free admission free admittance free ADP-ribose

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non-chain-pillar entryprotection