多种型号可供选择，双作用：ART007DA ART12DA ART020DA ART035DA ART050DA ART075DA ART110DA ART160DA ART255DA ART435DA ART665DA ART1000DA ART1200DA ART1800DA

单作用：ART020SR ART035SR ART050SR ART075SR ART110SR ART160SR ART255SR ART435SR ART665SR ART1000SR ART1200SR ART1800SR