- 信息介紹
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DFB型(xing)(xing)頂(ding)梁是一(yi)種(zhong)重型(xing)(xing)非鉸接式頂(ding)梁,DFB型(xing)(xing)金屬長梁可與各種(zhong)類型(xing)(xing)單(dan)體、金屬支柱(zhu)(zhu)配(pei)合(he)組成金屬支架,供煤礦在水(shui)平及緩傾斜回(hui)采(cai)工(gong)(gong)作面及機(ji)頭或其它(ta)較大控頂(ding)區使用。它(ta)能長跨度懸臂(bei)支護控頂(ding)區頂(ding)板,實現工(gong)(gong)作面有(you)(you)較大的(de)無支柱(zhu)(zhu)支護的(de)工(gong)(gong)作空間(jian),為改善勞(lao)動條件和采(cai)用新型(xing)(xing)采(cai)煤機(ji)械及可彎曲運(yun)輸機(ji)創造(zao)了(le)有(you)(you)利(li)條件。
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