材料的孔隙率增加,特別是開口孔隙率增加時(shí),會(huì)使材料的()。
A、抗凍、抗?jié)B、抗腐蝕性提高B
暫無解析
新聞事業(yè)最終形成的標(biāo)志
Thosewhoknewherladyshipare________thatshewasapersonquitecapableofperformingthisfeat,hadshenotwiselykeptoutoftheway.
Awell-knownexampleofthelargescaledestructionofanecosystemthroughvegetationremovaltoaccommodatetouristfacilitiesisthecaseofthe_______.
集權(quán)主義
Itwas_____andshedidnotknowenoughtoanalyzeeachproblemproperly.