型号尺寸(mm)适用基座厚度WHφBDJCZ-50200200186"JCZ-100200250188"型号尺寸(mm)螺栓组LL1WHφBDABCJCZ-2501801401201101460*605/8JCZ-5002201701701601890*903/4JCZ-60022017020019518901651203/4)