A glass frame that is placed on the wooden frame, inside it there is a little frame covered by sponge, with two hinges at the lower parts of the little frame.

 
  • 木座上置有一个大玻璃框架,玻璃框架中央有一个被海棉遮掩著的小窗,小窗下有铰位。
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  • 深远海浮式风电平台 - deep-sea floating wind power platform
  • 京雄高速公路 - Beijing-Xiongan expressway
  • 农业及相关产业增加值 - the added value of agriculture and related industries
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