combined rearing of young silkworms
3.1 小蚕共育 combined rearing of young silkworms 3.2 补催青 supplementary incubation 3.3 全防干育 covered and matted rearing with paraffin paper ..
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combined rearing of young silkworms
幼蚕的联合饲养
以上为机器翻译结果，长、整句建议使用 人工翻译 。