The result showed the humic acid, which was environmental friendly dye, was suitable for the dyeing of wool yarn.

实验结果表明：腐植酸作为一种天然环保型染料可用于羊毛纱线(蛋白质纤维)的染色。

youdao

Cotton yarn, wool yarn, acrylic fiber yarn, dacron yarn and other blended yarn etc.

棉纱、毛纱、腈纶纱、涤纶纱及其他混纺纱等。

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The formulation of softener for wool yarn and its application process were investigated and the optimal chlorination treatment process (scale stripping) was established.

探索了羊毛纱线上柔软剂的复配及其应用工艺，确立了最佳氯化处理(剥鳞)工艺。

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Yarn can be made from natural materials such as cotton, linen,silk and wool.

VOA: special.2009.11.04

Up to 12 colors of bright merino wool yarn are pulled from cones dangling from the ceiling into the teal-colored machines' high-speed knitting needles.

WSJ: It Ain't Rocket Science, but Sock-Making Comes Close

The men then construct the carpet loom - a horizontal frame placed on the ground - while the women convert the wool into yarn on spinning wheels.

UNESCO: Culture

Gettle, 29, who spins her own yarn with wool from their five rams, then turned a bedroom into a craft room for her spinning wheel.

WSJ: A Homestead Sprouts in the Ozarks