{
  "note": "NX 按需生成服务母模配置 (服务器侧, 不进客户包)。expressionMap: 目录参数代码 → NX 母模表达式名 (须与母模实际表达式一字不差, 由建模工程师确认)。switchRules: [参数代码, 参数值, NX表达式名, 表达式值] 枚举开关 (驱动按表达式抑制的特征, 同 nx-batch-export.vb 语义)。exports: 每个型号导出的格式 (step 固定导出, 其余 true 才导)。",
  "KC": {
    "masterPart": "KC_master.prt",
    "expressionMap": { "bore": "bore", "stroke": "stroke" },
    "switchRules": [
      ["magnet", "", "magOn", "0"],
      ["magnet", "M", "magOn", "1"],
      ["mount", "", "mountIdx", "0"],
      ["mount", "FA", "mountIdx", "1"],
      ["mount", "FB", "mountIdx", "2"],
      ["mount", "CA", "mountIdx", "3"],
      ["mount", "CB", "mountIdx", "4"],
      ["mount", "LB", "mountIdx", "5"],
      ["mount", "YB", "mountIdx", "6"]
    ],
    "exports": { "step": "214", "iges": true, "prt": true },
    "timeoutSec": 300
  }
}