型号表：FR-F740-0.75K-CHT1FR-F740-1.5K-CHT1FR-F740-2.2K-CHT1FR-F740-3.7K-CHT1FR-F740-5.5K-CHT1FR-F740-7.5K-CHT1FR-F740-11K-CHT1FR-F740-15K-CHT1FR-F740-18.5K-CHT1FR-F740-22K-CHT1FR-F740-30K-CHT1FR-F740-37K-CHT1FR-F740-45K-CHT1FR-F740-55K-CHT1FR-F740-S75K-CHTFR-F740-S90K-CHTFR-F740-S110K-CHTFR-F740-S132K-CHTFR-F740-S160K-CHTFR-F740-S185K-CHTFR-F740-S220K-CHTFR-F740-S250K-CHTFR-F740-S280K-CHTFR-F740-S315K-CHTFR-F740-S355K-CHTFR-F740-S400K-CHTFR-F740-S450K-CHTFR-F740-S500K-CHTFR-F740-S560K-CHTFR-F740-S630K-CHT)