共查询到20条相似文献,搜索用时 31 毫秒
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《Aquaculture (Amsterdam, Netherlands)》1986,53(1):81-82
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《Aquaculture (Amsterdam, Netherlands)》1986,51(2):157-158
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S.J. De Groot 《Aquaculture (Amsterdam, Netherlands)》1979,18(1):69-70
A simple mechanical feeding device is described which can volumetrically deliver a preset quantity of pelleted or granulated dry fish feed. 相似文献
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《Fisheries Research》1986,4(1):82-84
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