English translation for "direct sound wave"

直达声波
直射声波

Similar Words：

"direct solicitation" English translation, "direct solution" English translation, "direct solution of geodesic problem" English translation, "direct solution of geodetic problem" English translation, "direct sound" English translation, "direct sounder" English translation, "direct sounding broadcast" English translation, "direct sowing" English translation, "direct sowing culture" English translation, "direct sowing in flooded lowland field" English translation