It mainly consists of blind cap, blind base, unblanking mechanism, seal ring, tumbler, safety lock plate, pressure relief.

 
  • 它主要是由盲板蓋、盲板座、開(kāi)啟機構、密封圈、轉臂、安全鎖板、泄壓裝置構成。
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国内精品美女A∨在线播放xuan