High-voltage power distribution and the step-down transformer should regulate the electricity sector for the construction of the installation;
高压配电所和降压变压器应按照电力部门的规范进行建设安装；
As far as the incoming voltage, we would like to know it and whether the transformer is step down or not.
至于输入电压，自己们想知道它能否变压器上台与否。
Can also be used as step up or down after a normal transformer.
也可做为普通的升压或降后变压器用。
Can also be used as step up or down after a normal transformer.
也可做为普通的升压或降后变压器用。
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