SYMAC-09回采事(shi)業面首次(ci)放(fang)頂及(ji)時(shi)間間隔(ge)來(lai)壓講解(jie)平衡(heng)安裝 (合適于二、三(san)(san)、四(si)六級) 該(gai)平衡(heng)安裝是采煤事(shi)業面回采深化(hua)后,上(shang)覆巖層大自然垮(kua)落所(suo)反映的實(shi)況足球,形象(xiang)性(xing)(xing)(xing)(xing) 三(san)(san)維立(li)體地(di)出現出首次(ci)放(fang)頂壽(shou)(shou)(shou)(shou)命(ming)(ming)性(xing)(xing)(xing)(xing)和(he)時(shi)間間隔(ge)來(lai)壓壽(shou)(shou)(shou)(shou)命(ming)(ming)性(xing)(xing)(xing)(xing),或回采事(shi)業面垮(kua)落帶,裂跡帶、沉降(jiang)可以彎曲的帶“三(san)(san)帶”生長壽(shou)(shou)(shou)(shou)命(ming)(ming)性(xing)(xing)(xing)(xing)和(he)地(di)表沉降(jiang)壽(shou)(shou)(shou)(shou)命(ming)(ming)性(xing)(xing)(xing)(xing),可形象(xiang)性(xing)(xing)(xing)(xing) 心得(de)到(dao)礦山開采各種(zhong)壓力(li)形成現象(xiang)和(he)壽(shou)(shou)(shou)(shou)命(ming)(ming)性(xing)(xing)(xing)(xing)。 樣式:1600mm×1000mm×1400mm
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