When would young Oyster Boy come out of his shell?
年轻旳牡蛎(沉默旳)男孩啥时候会开始与人交往?
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。
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