单词	muzzle at installation
释义	muzzle at installation 膛口装置
随便看	coal-mining wastes coal-mining water gel explosive coal mining water inrush coal mining while gas drainage coal mining with gangue backfilling coal mining without pillars Coal mining with top-coal caving coal mining with two wings coal mining with water conservation coal mining with water power coal mining with water pressure coal mining workface Coal mining working face coal-minning machine coal mire geologic strata coal mixed match coal mixing plant coal mixing rate on viscosity coal mixture coal model compounds coal modification coal moisture coal moisture content coal moisture control Coalmont