当前位置:首页 >> silk CoCoon系列 >>

silk CoCoon系列


silk cocoon 蚕茧;绢蚕;桑蚕茧 例句筛选 1. Test Technique and Equipment for Silk Cocoon Quality 蚕茧质量测试技术与设备 2. Research on the Non-destructive Test Method for Silk Cocoon 蚕茧质量无损检测方法的研究

Silkworm moth larvae before becoming the cocoon to protect themselves, each cocoon is a continuous-meter-long silk 2000-4000. From cocoon to silk cocoons...

The story of silk is a funny one.About 4,000 years ago the Chinese discovered the secret of the cocoon.No one knows exactly how or when this important discovery was made.One story says that a young princess was drinking tea in ...

them and then transferred to filature.The local silk company or related enterprises were responsible for the operation and management of the cocoon station....

网站首页 | 网站地图
All rights reserved Powered by
copyright ©right 2010-2021。