表面贴装开关二极管. 75五,反向电压整流电流250毫安.Surface mount switching diode . Reverse voltage 75 V. Rectified current 250 mA.目前沉船的NPN开路集电极晶体管, 单通道二五〇毫安最高.Current sinking NPN open collector Transistor, Single channel, 250 mA max.低内阻原理也同样适...
这些小山碧绿陡峭,矗立在这条宽阔的河流之上。The hills rise green and sheer above the broad river.山谷上方的小山全是光秃秃的石头。The hills above the valley are bare rock.建在小山顶上的乌尔比诺镇the hilltop town of Urbino...