空调系统设计
HVAC system design
air conditioning system design
air-condition system design
Design of air conditioning system
HVAC design
Air-conditioning System Design
供热空调系统设计
central heating and air-conditoning system design
储存及分配系统设计
design of deposit and distribution system
传动系统设计
transmitting system design
教学系统设计
instructional systems design
instructional system design
Tutoring system designing
Instructional systems design ISD
产品系统设计
systematic design of the product