Students selecting cocoons for egg production, Guangzhou, Guangdong, China, 1931
收藏Mendeley Data2024-01-31 更新2024-06-27 收录
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资源简介：
"Cocoon selection for egg production School of Silk Industry Lingnan University July 1931" Young men sit around tables sorting through large trays filled with cocoons.
创建时间：
2024-01-31
