ELCB or GFCI device with trip load of no more than 30 milliamp will be fitted and fully operational.
有故障的设备不可

,要报
给监

准备维修或者取走不
。
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My Super Lemon battery and LED had around 1.4 milliamps running through it, which equates to around 9 with 15 zeros after it, or 9 quadrillion electrons dropping from N to P per second, and around that many photons emitted as well.
我的超级柠檬电池和发光二极管中有大约1.4毫
的电流通过,这相当于9后面跟着15个零,也就
每秒有9千万亿个电子从N区移动到P区,同
也会发出差不多数量的光子。
科普