​导套 d=3/4” d=7/8” d=1” d=1-1/4” d=1-1/2” d=2” 7/8 SQC75L.87 SQC87L.87 — — — — 1-3/8 SQC75L1.37 SQC87L1.37 SQC100L1.37 SQC125L1.37 SQC150L1.37 SQC200L1.37 1-7/8 SQC75L1.87 SQC87L1.87 SQC100L1.87 SQC125L1.87 SQC150L1.87 SQC200L1.87 2-3/8 SQC75L2.37 SQC87L2.37 SQC100L2.37 SQC125L2.37 SQC150L2.37 SQC200L2.37 2-7/8 SQC75L2.87 SQC87L2.87 SQC100L2.87 SQC125L2.87 SQC150L2.87 SQC200L2.87 3-3/8 — — SQC100L3.37 SQC125L3.37 SQC150L3.37 SQC200L3.37 3-7/8 — — — SQC125L3.87 SQC150L3.87 SQC200L3.87 4-3/8 — — — — — SQC200L4.37 4-7/8 — — — — — SQC200L4.87 5-7/8 — — — — — SQC200L5.87