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；
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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