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词汇
downhole coal mine
释义
downhole coal mine
基本
例句
煤矿井下
In the mine drainage system many drainage pumps must work correspondly.
摘要在煤矿井下的排水系统中,需要多台排水泵协调地工作。
The State shall take special protective measures for miners working in underground coal mines.
国家对煤矿井下作业的职工采取特殊保护措施。
随便看
Meerwein condensation
Meerwein Ponndorf method
Meerwein-Ponndorf method
Meerwein-Ponndorf-Verley reduction
Meerwein-Ponndorf-Verley reductions
Meerwein's salt
Meerzorg
Mees
Meesaq
Meesden
Meese
Meesea
Meeseaceae
meesea langiseta hedw
meesea trichodes
meesea trichodesl.spruce
meesea trichodes l.spruce
meesea triquetra
meesea triquetral.aongstr
meesea triquetra l.aongstr
Meesen
Meese, River
Meesia
Meeske
mees' line
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更新时间:2026/8/24 16:31:41