ring gate

基本解释

The construction, function, and control principles of the ring gate are introduced, and the practical application is analyzed.
文中介绍了筒阀的结构特点、功能及控制原理等，并对其在现场的实际应用情况进行了分析。
The turbine ring gate of Guangzhao Hydropower Station was first ring gate which was designed and manufactured by Harbin Electric Machinery Company Limited.
光照电站水轮机圆筒阀是哈尔滨电机厂有限责任公司（以下简称哈电）自行设计及制造的第一个圆筒阀。
And follow north gradually a mini geography in the gate became a ring of encirclement of semicircle and loosened south city gate, at north gate, east door and west the door all station battalion.
并且逐渐顺着北门一点点地形成了一个半圆的包围圈，放开了南城门，在北门，东门和西门都驻扎下大军。