<sub id="xhzlj"><listing id="xhzlj"><menuitem id="xhzlj"></menuitem></listing></sub>

<noframes id="xhzlj"><address id="xhzlj"><th id="xhzlj"></th></address>
    <noframes id="xhzlj">
    <sub id="xhzlj"></sub>

    <address id="xhzlj"></address><span id="xhzlj"><nobr id="xhzlj"><progress id="xhzlj"></progress></nobr></span>

      <noframes id="xhzlj"><address id="xhzlj"></address>

      • Q347F蝸輪固定氣動... Q347F蝸輪固定氣動偏心半球閥(耐腐蝕)兩分式和三段式固定球閥又稱側裝分體式球閥,將閥體沿與閥門通道軸線相垂直的截面分為不對稱的左右兩半,它在管道上主要用于切斷、分配和改變介質流... 了解詳細
      • 鑄鋼法蘭渦輪硬密封偏心... 不鑄鋼法蘭渦輪硬密封偏心半球閥:公稱壓力:2.5MPa;適用溫度范圍:-20~232℃~350℃;適用介質:水、油、氣及某些腐蝕性液體(W.O.G);類型:NPT.BSPT.BSP... 了解詳細
      自慰喷潮日韩A片,欧美日本俄罗斯一级A片,japan HD video XXXX 精品一区精品二区 试看120分钟毛片 免费体验区试看多次AV 白丝校花爽到娇喘视频

      <sub id="xhzlj"><listing id="xhzlj"><menuitem id="xhzlj"></menuitem></listing></sub>

      <noframes id="xhzlj"><address id="xhzlj"><th id="xhzlj"></th></address>
        <noframes id="xhzlj">
        <sub id="xhzlj"></sub>

        <address id="xhzlj"></address><span id="xhzlj"><nobr id="xhzlj"><progress id="xhzlj"></progress></nobr></span>

          <noframes id="xhzlj"><address id="xhzlj"></address>