The threshold comparative method in detecting electrospark discharging status is improved.对检测电火花放电状态的阀值比较法作了改进.The primary step includes discharging mode design , signal design and channelization design of signalized int...
我不愿意伸手去抓那闪亮的黄铜门环，怕把它弄脏。I felt loath to sully the gleaming brass knocker by handling it.30号有一扇红门和一幅铜门环.Number 30 has a red door and a brass knocker.然而他亦不能再往下胡思乱想.有人把大门上的门环打得怪响.He was jolted out of his day - dream by a lou...