驗紗黑板 的英文怎麼說
中文拼音 [yànshāhēibǎn]
驗紗黑板
英文
yarn black board-
Determination of appearance quality of yarns made of cotton or man - made fibres, or their blends by winding on the black board
棉及化纖純紡混紡紗線外觀質量黑板檢驗方法
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