化肥专用管 GB6479—2000

14-16-18*2-3-4

25.4-28*2.5-4-5

31.8-38*3-4-5-6

42-48*3.5-5-6-10

57-60.3*3-4-5-8-10

76-89*3-5-8-10-12

108-114*5-6-8-10-20

127-133*5-7-8-12-14-18-20

159-168.3*5-6-8-10-14-16-25

194-219.1*6-8-10-14-18-22-28-36

273-323.9*7-10-12-16-25-36-42

355.6-377*10-11-13-25-30-36-45

406.4-426*10-14-18-20-30-40-50

480-508*8-11-14-16-25-30-35-50

533.4-558.8*12-14-16-25-30-65

609.6-819*16-22-3806-49.1