有关caving的精选大全

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