piping diagram meaning in Chinese

管道布置图
管道系统图
管路图
管系图

Braking equipment for motor vehicles and trailers ; graphic symbols for piping diagrams
汽车和挂车的制动装置.制动管路图的图形符号
On the basis of analyzing the present situation and existing problems of the gas supply system in launch area , the thesis describes the general technical principles and parameters in the system designing and analyses the basic control functions the system should realize . and the thesis also shows the statistics of reference points in air 、 nitrogen and helium systems and related circuit diagram and pipe diagram
本文在分析了发射场配气系统的现状和存在的问题的基础上，提出了系统设计中的主要总体技术要求、参数，分析了系统应实现的主要控制功能，然后分别对空气、氮气和氦气系统的控制点进行了统计，并给出了有关的电路图和气路图。