杜特探长:男,40岁,充满智慧,明察秋毫,侦破了许多棘手的案子。他的左眉头上有颗黑痣,在他动脑筋的时候,黑痣就会动两下。克迪威:男,11岁,绿树小学五(1)班的学生,探长助理,也是探长的学生,聪明,正义,但有些毛手毛脚。杨帅:男,11岁,绿树小学五(1)班的学生,克迪威的铁杆。深山矿区的怪事暑假的时候,杜特探长对克迪威说:“深山一个煤矿 Dute detective: male, 40 years old, full of wisdom, insightful, and detected many difficult cases. There was a mole on his left brow, and when he was thinking, the mole would move twice. Kediwei: Male, 11 years old, Green Tree Primary Five (1) class students, Assistant Inspector, also a detective student, smart, just, but some hairy. Yang Shuai: Male, 11 years old, tree primary school five (1) class students, Kedi Wei irons. Mysterious mountain mining summer vacation, Dute explorers on Kediwei said: ”a mountain of coal mines