change of... 的变化
changen.变化;零钱v.改变
change over contact转换接点
change-hand trade转手贸易
change of urination排尿异常
change antecedences变革动因
change-over valve转换阀
change one's doctor[电] 交流倾销
change the law idea转变观念
change speed pinion换速齿轮,变速小齿轮
change secret value改变秘密值
change-pole moter变极电动机