A small wall transformer (wall wart) type power supply is NOT up to the task. You need lots of good clean power and plenty of reserve for the musical peaks.
一个普通的变压器是不能满足任务的，你需要一些更纯净而又能提供在爆棚时提供强大能源的电源。
This current transformer is fully enclosed, wall through and casting resin insulated. It has a good ability of insulation and anti-moisture.
本型电流互感器为环氧树脂浇注全封闭穿墙式结构，具有优良的绝缘性能和防潮能力。
Hopping over an unfinished wall, the boy touched a big electric transformer.
的墙时，他触到了一个大号变压器。
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