Peb lub tuam txhab tshwj xeeb hauv kev tsim hluav taws xob porcelain.Peb cov khoom raug cais raws li hauv qab no raws li cov duab, theem voltage thiab daim ntawv thov ib puag ncig: 1. Raws li cov khoom zoo, nws tuaj yeem muab faib ua: disc suspension insulator, pin insulator, qws insulator, hollow insulator, thiab lwm yam ...
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