parker软管,Parker Push-Lok 831-12 WP2.1Mpa(300PSI) 19mm(3/4) parker软管,Parker Push-Lok 831-12 WP2.1Mpa(300PSI) 19mm(3/4)主要型号: 831-10-BLU-RL,831-10-GRN-RL,831-10-RED-RL,831-10-RL 831-12-BLU-RL,831-12-GRN-RL,831-12-RED-RL,831-12-RL 831-4-BLU-RL,831-4-GRN-RL,831-4-RED-RL,831-4-RL 831-6-BLK-RL,831-6-BLU-RL,831-6-GRN-RL,831-6-RED-RL 831-6-RL,831-8-BLU-RL,831-8-GRN-RL,831-8-RED-RL,831-8-RL