该程序代码包括平键的校核和选择两部分，当已知扭矩，键长和工作条件是可以校核是否合格并给出改进意见，或者自动选择标准键并输出。-The program code includes flat key check and choose two parts, known as torque, bond lengths and working conditions can be improved check eligibility and give advice, or automatic key sel