方头螺帽 fāngtóuluómào square-headed nut Definitions Defs Origin Strokes Stroke Words Sentences Sents 方头螺帽 方頭螺帽 fāngtóuluómào square-headed nut square-headed nut; a nut with four flat sides designed to be gripped by a wrench
方头螺帽 方頭螺帽 fāngtóuluómào square-headed nut square-headed nut; a nut with four flat sides designed to be gripped by a wrench
