Current cocoon can only reel male and female composite silk which is difficult to mass-produced high-grade silk because male and female are mixed when drying cocoon, boiling cocoon and reeling cocoon.
现行蚕茧在烘茧、煮茧、缫丝时都是雌雄茧混合，只能缫制雌雄复合丝，很难批量生产出高品位生丝。
Current cocoon can only reel male and female composite silk which is difficult to mass-produced high-grade silk because male and female are mixed when drying cocoon, boiling cocoon and reeling cocoon.
现行蚕茧在烘茧、煮茧、缫丝时都是雌雄茧混合，只能缫制雌雄复合丝，很难批量生产出高品位生丝。
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