1.4*200/300/400/500/600/700/800/900/1000/1200/1400/1600/1800/2000
1.7*200/300/400/500/600/700/800/900/1000/1200/1400/1600/1800/2000
2.0*200/300/400/500/600/700/800/900/1000/1200/1400/1600/1800/2000
2.7*200/300/400/500/600/700/800/900/1000/1200/1400/1600/1800/2000
導管內(nèi)徑*長度(單位:mm)