常识“出口干、出水干”是什么意思，起源、典故、生平简介及释义-历史文化

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常识	出口干、出水干
释义	出口干、出水干明代为提高蚕丝质量而创造之重要措施。《天工开物》：“美丝之法有六：一曰‘出口干’，即结茧时用炭火烘；一曰‘出水干’，则治丝登车时，用炭火四五两，盆盛，去车关（丝框角）五寸许。运转如风时，转转火意照干。”使蚕儿从口中吐出之丝一见空气即迅速干燥，丝可“经久不坏”。用“出水干”办法缫丝，缫出之生丝既柔韧有力，又白净晶莹。
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