接头扣型表达方式 730 7-5/8"REG-BOX 731 630 6-5/8"REG-BOX 1 520 5-1/2"FH-BOX 521 530 5-1/2"REG-BOX 1 410 4-1/2"IF-BOX 430 4-1/2"REG-BOX 1 330 3-1/2"REG-BOX 1 310 3-1/2"IF-BOX 210 2-7/8"IF-BOX 3353637-5/8"REG-PIN 6-5/8"REG-PIN 5-1/2"FH-PIN 5-1/2"REG-PIN 411 4-1/2"IF-PIN 434-1/2"REG-PIN 3-1/2"REG-PIN 311 3-1/2"IF-PIN 211 2-7/8"IF-PIN 2-7/8"REG-PIN 230 2-7/8"REG-BOX 231 4A10 4"IF-BOX 1 2A10 2-3/8"IF-BOX 4A14"IF-PIN 2A12-3/8"IF-PIN 1 H90 2-7/8"H90-BOX H91 2-7/8"H90-PIN 本文来源：https://www.wddqw.com/doc/4726d6d476eeaeaad1f330e7.html