![sublevel caving造句怎么写]( "sublevel caving造句怎么写")
- 1、Mechanismofcappingrockcollapsebyno-pillarsublevelcaving2、DevelopmentofCADsystemforsublevelcavingmethodwithoutsillpillarbasedonObjectARX3、ImprovedwayofsublevelcavingwithoutsillpillarofChambishmainorebody4、Thestopingschemeofsublevelcavingandconti...
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![caving in造句怎么写]( "caving in造句怎么写")
- 1、Oneblowfromcavingin?2、Orwillthewallsstartcavingin?3、Evenbigfirmsarereportedlycavingin,particularlyforthosewritinglargecheques.4、Contemporaryillustrationsshowcathedralspirescollapsing,vaultscavingin,highscaffoldingkeelingoverinachaosofplanksandp...
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![block caving造句怎么写]( "block caving造句怎么写")
- inducedblockcavingDiscussiononscraperoredrawingbottomstructureinblockcavingThispaperdiscussessomegeomechanicsproblemsinblockcaving.StudyoforefragmentsizepredictioninblockcavingbasedonMonteCarlostochasticsimulationTheprocessofore-drawinginblockcavingi...
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![caving造句怎么写]( "caving造句怎么写")
- topslicingcombinedwithorecavingThispaperdiscussessomegeomechanicsproblemsinblockcaving.Sub-levelcavingisanefficientandsafeminingmethod.Thispaperanalyzetheproblemsofexpandingminingcavinglightlyset-uproomwithtraditionalshieldsupport,ittooktheinfluencet...
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