公吨
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(公(gōng )吨(dūn ),公(gōng )吨(dūn ))
即(jí )吨(dūn )。公(gōng )制(zhì )重(zhòng )量(liàng )或(huò )质(zhì )量(liàng )单(dān )位(wèi ),一(yī )公(gōng )吨(dūn )等(děng )于(yú )一(yī )千(qiān )公(gōng )斤(jīn )。
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