日本暴力强奷免费视频

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常見問題

新聞展示分類:

新聞展示標題

收口網的板材一般分為兩種:冷板和熱鍍鋅板。
 
冷板收口網的厚度一般在0.08mm-0.12mm,這么薄的板防腐處理工作也就尤為重要了,不過大家不用擔心我們廠用的是涂過防銹油的原材料,只要客戶不讓收口網沾水一般情況下是不會生銹的。
 
熱鍍鋅收口網厚度一般在0.12mm-0.5mm厚,鍍鋅收口網一般情況下沒事,就算沾上水了也不會生銹。這樣的收口網在多雨地方特別適合使用。

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日本暴力强奷免费视频
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