求翻译：主要负责贝类预煮装置研发、贝类清洗装置研发、大型贝类生产线结构设计与优化等科研工作，参与申请与海洋食品机械相关专利4项。是什么意思？

The main research and development unit responsible for pre-cooked shellfish , shellfish cleaning equipment research and development , a large shellfish production line design and optimization research work, participate in the application and the marine food machinery related patents 4 .

primarily responsible for shellfish pre-cooking unit R&D, shellfish cleaning unit R&D, large Shellfish Production Line structure design and optimization, and other scientific research work and participate in application and sea food machinery patents 4.

The primary cognizance shellfish boils the installment research and development, the shellfish purifier research and development, the large-scale shellfish in advance produces scientific research work and so on line structure design and optimization, the participation application and the sea food ma

Shellfish boils the appliance is mainly responsible for research and development, cleaning device for shellfish research, structural design and optimization of large shellfish research work involved in applications for marine food machinery-related patent 4.

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