超声波的作用包括机械作用和热效应（The role of ultrasound includes mechanical and thermal effects)
超声波的作用包括机械作用和热效应（The role of ultrasound includes mechanical and thermal effects)
参考答案和解析
A
相关考题：
单选题The main purpose of inspection for a running diesel engine is（）Atesting for the mechanical load and the thermal loadBinspecting thermal and mechanical condition of the engineCinspecting each system and exhaust temperatureDtesting for compress pressure and explosion pressure
单选题下列哪项是超声波疗法最基本的作用？（ ）A生物学作用B温热效应C化学作用D机械作用E解痉作用