2026-09-23 20:17 浏览次数 40
索绪
and he further expounds in view of end groping mechanism why water absorption by cavity of cooked cocoons varies with different end-groping devices.
从索绪机理上阐明了机械索绪装置不同,煮熟茧茧腔的吸水率也需不同的道理;