英语词汇“coal grading”的音标、翻译、中文意思、用法、释义-英汉双解词典

词汇	coal grading
释义	coal gradingun. 煤的分等；煤分级 [网络] 煤的分级
随便看	Butt-swelling butt joint (butt joint connection butt strip butthead butty boat butty butt-women buttwood button through skirt buttonhold button holing machine butt jointed deam with strap button initiate button-tool buttress head rivet button tree butt tab gate buttter worker Butty Hd. button trees button holing sewing machine button switch Button Is. butt-jointed fiber button trim