请问 open drain

建筑翻译高手请进:open drain;cover drain;open drain with grating cove 请问：电学中drain current怎么翻译? 请问下：No drain pan is needed. The front of exit door should not with open drain.什麼意思 请帮我翻译一下push-pull and open-drain的意思. 单片机中CMOS输出和open drain输出有什么区别.用途在那 brain drain 请问open为什么不双写加ing? 请问一元器件中Source、Drain、Gate英文什么意思,是什么元器件 它的电路图符号如下 drain one's the drain of eternity drain before shipping