......这个囚笼,奥(ao)利维埃继续念(nian)道,用去220根粗(cu)大的(de)铁螺栓(shuan),每根89尺长,其余的中(zhong)等长度,还有用于固(gu)定(ding)螺栓的盖帽,垫片和压(ya)衬,上述(shu)各项共用铁(tie)3700斤重(chong);外加8根大(da)铆钉用(yong)来(lai)固定上(shang)述笼子(zi),连同铁抓和(he)铁(tie)钉,共重218斤(jin),还不包(bao)括囚(qiu)笼所在房间的窗(chuang)户铁栅,房门(men)上的铁(tie)杠而其(qi)他等等(deng)......
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