关于caving的文学精选
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caving造句
topslicingcombinedwithorecavingThispaperdiscussessomegeomechanicsproblemsinblockcaving.Sub-levelcavingisanefficientandsafeminingmethod.Thispaperanalyzetheproblemsofexpandingminingcavinglightlyset-upro...
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block caving造句
inducedblockcavingDiscussiononscraperoredrawingbottomstructureinblockcavingThispaperdiscussessomegeomechanicsproblemsinblockcaving.StudyoforefragmentsizepredictioninblockcavingbasedonMonteCarlostochas...
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caving in造句
1、Oneblowfromcavingin?2、Orwillthewallsstartcavingin?3、Evenbigfirmsarereportedlycavingin,particularlyforthosewritinglargecheques.4、Contemporaryillustrationsshowcathedralspirescollapsing,vaultscavin...
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sublevel caving造句
1、Mechanismofcappingrockcollapsebyno-pillarsublevelcaving2、DevelopmentofCADsystemforsublevelcavingmethodwithoutsillpillarbasedonObjectARX3、ImprovedwayofsublevelcavingwithoutsillpillarofChambishmain...