铝电机壳规格参数表：
型号ABCDEFJK备注米重面积周长YH-001119123.61312.31.5127.56.55个齿3.7341378.8241165.139YH-00311912313421.511.53.83.83个齿3.2071183.57647.26063-T5119.3122.9128.61.81113.33.37个齿3.0241115.8712102010-3-20112.7117.71322.52123.13.15个齿5.1241890.8191334.18YH-021191231312