English translation for "variable light-filtering device"

渐变光学滤光装置

Similar Words：

"variable life insurance" English translation, "variable life insurance policy" English translation, "variable lift" English translation, "variable lift cam" English translation, "variable lift device" English translation, "variable limit" English translation, "variable linear system" English translation, "variable lists" English translation, "variable load" English translation, "variable load constant current circuit" English translation