Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 4: Specific principles for shutoff devices as penstocks, sluice gates, stoplogs etc.
废水处理厂.结构和技术设备的设计原则.第4部分:压力管道、水闸、叠梁闸门等关闭装置的特殊原则
2000-11-01
HG/T 20507-2014
自动化仪表选型设计规范(附条文说明)
Design code for instrument selection