国产女人高潮抽搐喷水视频

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    2. 您好,歡迎來到駿寶管業官方網站!咨詢熱線:13612503052
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      駿寶管業 綠色飲用水引導者
      駿寶管業產品安裝步驟
      發布者: 駿寶管業

      駿寶管業產品安裝步驟

      Ducky piping products installation steps




      安裝步驟一:用介管刀介出合適長度的喉管

      Installation step 1: use a pipe cutter to prepare a suitable pipe length




      安裝步驟二:起凸環

      Installation step 2: form an expanded ring






      安裝步驟三:套入頂筒和密封圈,用扳手上緊頂筒

      Installation step 3: Enclose the pipe with a connector piece and the sealing gasket





      DUCKY牌水喉喉件就這樣可以完成安裝

      DUCKY brand piping and fittings installation is completed in this manner






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      国产女人高潮抽搐喷水视频
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