... motor meter 电动机型仪表 mulberry cocoon 桑蚕茧 motor boat 摩托艇 ...
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dry mulberry cocoon 桑干茧
mulberry cocoon silk 桑蚕茧丝绸
fresh mulberry cocoon 桑蚕茧鲜茧检定
use of mulberry cocoon 桑蚕茧
Mulberry Silkworm Cocoon 桑蚕茧
mulberry and cocoon industry 桑蚕丝绸产业
the mulberry tree silkworm cocoon 桑蚕茧
·2,447,543篇论文数据,部分数据来源于NoteExpress
Yunnan could be a good base to produce cocoon with high quality because of its suitable natural conditions in mulberry planting and silkworm rearing.
云南具有世界上比较适宜栽桑养蚕的自然条件,是生产优质原料茧的好基地。
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