单词	环流器
释义	环流器 circulator
随便看	closed connected normal subgroups closed-connection gasoline delivery closed construction closed contact closed container closed container mechanically ventilated closed continuous culture closed contour closed contract closed contract of insurance closed control Closed control closed control circuit closed control of system performance closed control position closed control system closed convention closed convex cone closed convex curve closed convex function closed convex hull closed convex polygon closed convex set closed convex sets closed convex subset