Anh
cold source
heat sink
Đức
Kaeltequelle
Waermesenke
Pháp
source d
source froidee froid
Kaeltequelle,Waermesenke /SCIENCE,ENG-MECHANICAL/
[DE] Kaeltequelle; Waermesenke
[EN] cold source; heat sink
[FR] source d; source froidee froid