抽放

1.
Emission
抽■_翻译 ... 抽样: Sample 抽放Emission 抽样: sampling ...
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2.
3.
gas drainage from mine goal
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4.
gas drainage from adjacent seam
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Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard