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cervix insemination(traditional insemination)
释义
cervix insemination(traditional insemination)
Encyclopedia
农学
[猪生产学]
释
cervix insemination(traditional insemination)
宫颈输精(常规输精)
利用输精管将公猪精液输入发情母猪子宫颈,通过母猪子宫收缩产生负压将精液吸入子宫,用来替代自然交配的输精方式。
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Rong Xian
Rongxian Formation
Rongxian Museum
Rong Yu
Rongyutang bookstore
Rong Zhai Sui Bi
Rong Zhixing
Rongzi
Ronit Matalong
Ron Johnston
Ron Mueck
Ronnie Dean Coleman
Ronnie O'Sullivan
Ronny Someck
Ronny Yu
Rontgen
Rontgen ray
Rontgen rays
Rood-Sastry classification
Rood-Sastry system
Rood-Sastry type
roof
roof and floor
roof and floor of wood frame construction
roof-angle prism
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