A new matching device for manufacturing artificial oyster-shell reef system was developed. The device had the advantages of low cost and simple structure, which could also reduce the labor intensity and improve the productivity. 5.

  • 研制了一种牡蛎壳海珍礁的配套制作装置,结构简单,造价低廉,可减轻劳动强度,并可极大的提高牡蛎壳海珍礁的生产效率。

  • 互联网摘选 2025-01-20 12:00:24

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