[ 1条送1个卡扣[7字头] ]

[ 1条送1个卡扣+配件[7字头] ]

[ 2条送2个卡扣[7字头] ]

[ 2条送2个卡扣+配件[7字头] ]

[ 3条送3个卡扣[7字头] ]

[ 3条送3个卡扣+配件[7字头] ]

[ 5条送5个卡扣[7字头] ]

[ 5条送5个卡扣+配件[7字头] ]

[ 开关底座3个 ]