单词	metal prop
释义	metal prop [矿业] 金属支柱
随便看	retention of sodium and water retention of state forest retention of title clause retention of urine retention order retention parameter retention period retention period check retention phrase retention pin retention policy retention pond retention probability retention process retention property retention qualitative method retention quota of export earnings retention range retention rate retention ratio retention requirement retention reservoir retentions retention screen retention screw 丽4 丽句清词丽句清辞丽藻春葩举举1 举2 举3 举4 举一反三フンレイフンワリフン付ケルフン切リフン反リカエルフン反リ返ルフン張ルフン詰マリフン込ムフーガ