annular tank 循环水槽 ; 环形箱 ; 环形柜

an annular tank 环形容器

Annular tank process 内孔环形槽加工

annular tank experiment 环型水槽实验

annular fuel tank 环形燃料油箱

annular tank bottom depth dimensions 环形槽底深度尺寸

annular r fuel tank 环形燃料油箱