日本无卡码高清免费视频V

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無粘結鋼絞線直銷廠家,緩粘結鋼絞線廠家價格公道,防腐性能優質,瑞通品牌支護用鋼絞線生產廠家！

緩粘結、支護用鋼絞線訂購熱線電話：15222026333

鋼絞線產品

支護用鋼絞線重量
日期：【2017-09-15 10:52】來源：天津市瑞通預應力鋼絞線有限公司閱讀次數：【】次作者：支護用鋼絞線

支護用鋼絞線最常見重量的是1.101kg/m . GBT 5224（2003）

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瑞通鋼絞線主要生產銷售各種規格無粘結鋼絞線，緩粘結鋼絞線礦用鋼絞線支護用鋼絞線聯系電話：15222026333
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日本无卡码高清免费视频V

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