diàn juàn
意思解释：（Washerbed down the livestock）把树叶杂草、泥土等铺在畜圈里。 养猪、牛、羊等家畜时，为增进家畜健康和取得肥料，把树叶、杂草、泥土等垫入畜圈。
垫在被连接件与螺母之间的零件。1890年傅兰雅辑《格致汇编》第四册《格致释器》:“上分图为螺丝起子。用此起子开二管之螺丝，验其皮垫圈有无错误。再旋紧螺丝，关其塞门。”…
Mat in be joined with the spare parts between nut. Is Fu Lan elegant 1890 collect does case send collection the 4th is case sent commentate implement : play sluggish Hu of division of fine Tu imprints S be like Hu to emerge of Cong of narrow of of dredge of Tu of kasaya of of exorcise of T of toad of Zhai of form of τ of Ai of さ of Gan of Zhu of of dredge of Tu of of Pie aing shallow lake overgrown with wild plants is pigheaded! Thin
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