用“caving”造句大全，caving造句
topslicingcombinedwithorecavingThispaperdiscussessomegeomechanicsproblemsinblockcaving.Sub-levelcavingisanefficientandsafeminingmethod.Thispaperanalyzetheproblemsofexpandingminingcavinglightlyset-upro...
用“block caving”造句大全，block caving造句
inducedblockcavingDiscussiononscraperoredrawingbottomstructureinblockcavingThispaperdiscussessomegeomechanicsproblemsinblockcaving.StudyoforefragmentsizepredictioninblockcavingbasedonMonteCarlostochas...
用“sublevel caving”造句大全，sublevel caving造句
1、Mechanismofcappingrockcollapsebyno-pillarsublevelcaving2、DevelopmentofCADsystemforsublevelcavingmethodwithoutsillpillarbasedonObjectARX3、ImprovedwayofsublevelcavingwithoutsillpillarofChambishmain...
用“caving in”造句大全，caving in造句
1、Oneblowfromcavingin?2、Orwillthewallsstartcavingin?3、Evenbigfirmsarereportedlycavingin,particularlyforthosewritinglargecheques.4、Contemporaryillustrationsshowcathedralspirescollapsing,vaultscavin...