单词	火山孔道
释义	火山孔道volcanic conduit火山孔道crater vent
随便看	administrative operability administrative operations administrative performance administrative personnel administrative plan administrative plan {= adminplan} administrative planning administrative policy administrative power administrative principle administrative procedure act of 1946 administrative process administrative process act administrative productivity administrative rationalist administrative realist administrative records administrative reform administrative region administrative region of china administrative regulation administrative remedy administrative renovation administrative reorganization administrative report