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(板(bǎn )擦(cā )儿(ér ),板(bǎn )擦(cā )儿(ér ))
擦(cā )黑(hēi )板(bǎn )的(de )用(yòng )具(jù )。一(yī )般(bān )是(shì )在(zài )小(xiǎo )块(kuài )长(zhǎng )方(fāng )形(xíng )木(mù )板(bǎn )上(shàng )加(jiā )绒(róng )布(bù )或(huò )棕(zōng )毛(máo )製(zhì )成(chéng )。
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