center module的用法和样例：
例句
- Step through the upgrader to the upgrade core module step.
接着继续到升级程序的核心模块升级步骤。 - The detection device,which is applied in the traction inverter and core module on AC trains,is very important and necessary for the vehicle maintenance department.
交流传动车辆上牵引逆变器及其核心模块用的检测装置对车辆维修部门而言是非常必需的。
