大家在查： boundary surface strong intensity 19：20 copper alloy residential apartment 世界一流 kilovolt-ampere 相当明显 Arbatov lower ground floors

五百千

五百千

五百千

五百千

1

The substation equipped with a transformer of 500 KVA is south of the plant .

在工厂的南边有一座装有五百千伏安变压器的变电站。

2

The biggest is about four meters in length , weighing 500 kilos .

最大的有四米长，五百千克重呢。

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