1)operating-duty test,运行方式试验，工作方式试验2)service test,运行试验，操作试验，性能试验，工作试验，使用检查3)high voltage test mode,高电压试验方式4)"Two,Three,Three" Mode,"二·三·三"试验方式5)box snag testing,方箱式勾丝试验6)method of operation and experience,运行方式与经验
用法和例句
The paper began with the topology structure and working theory of the TCR valve high voltage test mode.