In this situation would it be the positive reaction to copout and runaway?Escape through alcohol, drug, or suicide?No!

 
  • 测量时必须先断开电路,然后按照电流从“+”到“-”的方向,将万用表串联到被测电路中,即电流从红表笔流入,从黑表笔流出。
今日热词
目录 附录 查词历史