HEAT PUMPS

出口

题 1 of 1

  剩下的时间


0
120417
0
120
block

On a water source heat pump, the heat mode water regulating valve must be

选择正确的答案  

(0/0)












120418
0
120
none
120419
0
120
none
120420
0
120
none
120421
0
120
none
120422
0
120
none
120423
0
120
none
120424
0
120
none
120433
0
120
none
120434
0
120
none
120435
0
120
none
120436
0
120
none
120437
0
120
none
120438
0
120
none
120439
0
120
none