piping and instrument diagram meaning in Chinese

带控制点工艺流程图

Refrigerating systems and heat pumps - system flow diagrams and piping and instrument diagrams - layout and symbols
制冷系统和热力泵.系统流量图,管道和设备图.布局和符号
Refrigerating systems and heat pumps . system flow diagrams and piping and instrument diagrams . layout and symbols
冷冻系统和热力泵.系统流程图和管道及仪表图.结构图和符号
Refrigerating systems and heat pumps - system flow diagrams and piping and instrument diagrams - layout and symbols ; german version en 1861 : 1998
制冷设备和热泵.系统流程图和管道流程及仪器流程图