单词	字锤轴
释义	字锤轴hammer shaft
随便看	backward conditioning backward connection backward counter backward counting backward crosstalk backward current backward curved vane backward development backward development--hypoevolutism backward difference backward difference function backward difference method backward difference operator backward difference scheme backward differentiation method backward diode backward dip backward direction backward dislocation backward--dislocation backward dive backward eccentric backward elimination backward elimination procedure backward equation