传动系统设计
transmitting system design
空调系统设计
Design of air conditioning system
air conditioning system design
air-condition system design
HVAC design
Air-conditioning System Design
HVAC system design
教学系统设计
instructional system design
Tutoring system designing
Instructional systems design ISD
加压送风系统设计
pressurization air supply system design
激光光学系统设计
laser optical system design
光学系统设计
optical system design
Design of Optical System
optical design
OSD Optical Systems Design
Optical systems design
供热空调系统设计
central heating and air-conditoning system design
仿真系统设计
design of system simulation
防排水系统设计
design of waterproofing and drainage system