词汇	spreading ulce
释义	spreading ulce 蔓延性溃疡
随便看	flame retardant technique Flame Retardant Technology flame-retardant technology flame retardant techoology flame retardant testing method flame-retardant textile flame retardant treatment Flame Retardant Treatment for Furs flame-retardant variant flameretardant variants flame retardant variants flame retardant viscose flame-retardant viscose Flame retardant viscose fiber flame-retardant viscose fiber flame retardant vulcanized paper flame retardant wood Flame Retardation flame-retardation flame retardation mechanism flame retardation system flame retarded flame retarding properties flame retarding reaction flame retardnat property