<form id="kktsy"><legend id="kktsy"></legend></form>
  • <form id="kktsy"><legend id="kktsy"></legend></form>

      <sub id="kktsy"><listing id="kktsy"></listing></sub>
    1. <nav id="kktsy"></nav>
      <nav id="kktsy"></nav>

          <form id="kktsy"></form>
          <nav id="kktsy"></nav>
        1.  
          窗片

          • 窗片概述

            Windows are applied to isolate different physical environments while allowing light to passing through. When selecting windows, it's necessary to consider materials, transmission, scattering, wave fro..

          • BK7窗片

            Diameter Tolerance: ------------------ +0.0, -0.1mm Thickness Tolerance: ----------------- ±0.2mm Clear Aperture: ------------------------- 80% Parallelism: ------------------------------1'(Standard)..

          • 熔石英窗片

            Diameter Tolerance: ----------- +0.0, -0.1mm Thickness Tolerance: -------- ±0.2mm Clear Aperture: -------------------80% Parallelism: ---------------------- 1'(Standard), 10(High ..

          • Borofloat窗片

            Typical Diameter (Φmm):-----------------------------8.0, 10.0, 12.7, 15.0, 20.0, 25.4, 30.0 Typical Thickness (mm):------------------------------1.0 ~ 50.0 Diameter Tolerance (m..

          • 硼硅酸鹽窗片

            Typical Diameter (Φmm):-----------------------------8.0, 10.0, 12.7, 15.0, 20.0, 25.4, 30.0 Typical Thickness (mm):------------------------------1.0 ~ 50.0 Diameter Tolerance (m..

          < Previous1Next >

           
          中文字幕欧美成人免费男人边吃奶边添下面好爽视频午夜亚洲国产理论片亚洲2020我的好妈妈BD高清在线观看