alterantadj.改变的
alterv.改变;更改;阉割;切除卵巢
alternating voltage transducer交流电压变送器
Alternating apply mechanically交叉套用
alternating voltage distortion交流电压畸变
alternaria leaf spot of cotton棉花黑斑病
alternating current continuous交流等幅波
Alter's tonsil seizing forceps需求建模
alternating current servomotor交僚服马达
altered state of consciousness变异的意识状态