单词	deep coal bed
释义	deep coal bed 深部煤层
随便看	split air split air conditioner Split air-conditioner split air conditioner indoor unit split air-conditioning split air conditioning system split air-condition wind-casing split algebraic group split algorithm split alignment sleeve split a log split-altitude profile split a melon split among all of us split Amygdalus communis L split and dilemma split and merge split-and-merge split and merge algorithm split-and-merge algorithm split-and-merge image segmentation split-and-pool split and press machine split and separation method split an infinitive