冲床
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(冲(chōng )床(chuáng ),冲(chōng )床(chuáng ))
用(yòng )冲(chōng )压(yā )方(fāng )法(fǎ )使(shǐ )金(jīn )属(shǔ )板(bǎn )成(chéng )形(xíng )或(huò )在(zài )金(jīn )属(shǔ )板(bǎn )上(shàng )打(dǎ )眼(yǎn )的(de )加(jiā )工(gōng )机(jī )器(qì )。
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