1·Overcome the shortcomings of ordinary water discharge pipe, such as jamming.
弥补排水管经常堵塞不容易疏通，影响正常排水，蓄水。
2·This panel is widely used for the large-span roof, which has good water discharge function, normally for metallurgy.
其板型用于大跨度屋面，具有较强的排水功能，一般用于冶金厂房。
3·Periodical check shall be conducted on automatic water discharge device of low-pressure compressed air 3-way joint of bottle blower to ensure its normal running and cleanliness.
定时检查吹瓶机低压压缩空气三联体自动排水装置是否正常并清洁。