单词	卷筒式吊车
释义	卷筒式吊车drum hoist
随便看	average end area method average ends average energy average energy not supplied average error average error average error (mean error) average error; mean error average error rate average excess average excitation energy average excitation potential average extra defectives limit average failure number average failure number，afn average field average--field average filter average fineness average firing width average fixed cost average flow average flow rate average forecast average forecast error