• 1. dished head: 碟形封头 | 碟形底 | 碟形端板
• 2. reversed dished head: 凹形封头
• 3. integral cast iron dished head: 整体铸铁碟形封头

更多释义

• 1.Two 24" manholes shall be installed on each nutshell filter (F-02601A/B), one is on the top of dished head, and the other one is located bellow the media support."
  每个核桃过滤器应该有两个24“检修孔（ F – 02601A / B），一个应在碟形头盖上，另一个应位于传动装置支架上。
  dict.yoduao.com

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