Report copyright - ccgp-beijing.gov.cnccgp-beijing.gov.cn/xxgg/qjzfcggg/P020171017603062606048.docx · Web view主材:2.0JDG穿线管、2.5平塑铜线。工艺:穿线管内穿塑铜线(不超过3根)、管内电线不得接头、线卡或绑扎固定线管、顶面下
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