switch housing造句

• The dcs applications in raw water intake , chlorination and chemical dosage , filtration station , output pumping house , power switching house and main control room are specially described in detail under different conditions of waterworks
  并根据水厂生产的工艺过程，着重介绍了集散控制系统在原水取水、加药加氯、滤池、配电、出水泵房和水厂控制室中各种不同场合的应用情况。
• According to vacuum arc theory , the contact structure of vacuum interrupter is changed to produce magnetic field in the open space of the switching house . hence , the short - circuit current breaking capability in vacuum interrupter can be enhanced
  根据真空电弧理论,人们通过改变真空灭弧室触头结构,使其开断时在断口空间产生磁场,以此来提高真空灭弧室的短路电流开断密度。