The utility model discloses a liquid-filled convex lens which is an optical convex lens formed by transparent liquid filled in a convex hollow transparent solid outer shell.
充液凸透镜，是用透明液体充进凸型空心透明固体外壳中而形成的一种光学凸透镜。
Before the start of the centrifugal pump, pump shell filled with liquid to be delivered;
化工泵在离心油泵启动前，泵壳内灌满被输送的液体；
应用推荐