规格:3/8"*1/4" 3/8"*3/8" 1/2"*3/8" 1/2"*1/2" 3/4"*3/8" 3/4"*1/2" 3/4"*3/4" 1"*3/8" 1"*1/2" 1"*3/4" 1"*1" 11/4"*1/2" 11/4"*3/4" 11/4"*1" 11/4"*11/4" 11/2"*1/2" 11/2"*3/4" 11/2"*1" 11/2"*11/4" 11/2"*11/2" 2"*3/8" 2"*1/2" 2"*3/4" 2"/1" 2"*11/4" 2"*11/2" 2"*2" 21/4"*11/2" 21/2"*11/4" 21/2"*2" 21/2"*21/2" 3"*11/2" 3"*2" 3"*21/2" 3"*3" 4"*2" 4"*21/2" 4"*3" 4"*4"