超光膨胀2) ultralow-thermal expansion 超低膨胀 例句>> 3) supersonic expansion 超声膨胀4) photo-thermal expansion 光热膨胀 1. This paper presents a novel asymmetric microactuator based on photo-thermal expansion. 利用光热膨胀的方法实现的驱动器制作简单,位移输出可调,无电磁干扰,易于集成,并...