大家帮我辨认一下，是离心还是螺杆机！

大家帮我辨认一下，是离心还是螺杆机！
冷水机组(开利,进口)，有没有人有这个的样本阿！谢谢了
MODEL 17TS-56-48NMODEL 17TS-56-48N CIRCUIT 1100 kgCIRCUIT 1100 kg MODEL 17TS-56-48N CIRCUIT 1100 kg
REFRIGERANT R 22REFRIGERANT R 22 REFRIGERANT R 22
SERIAL 17TS-405SERIAL 17TS-405 CHILLER 134.4L/SCHILLER 134.4L/S P.DROP 86.0 kPaP.DROP 86.0 kPa TEMP.RANGE12.0/7.0℃TEMP.RANGE12.0/7.0℃ SERIAL 17TS-405 CHILLER 134.4L/S P.DROP 86.0 kPa TEMP.RANGE12.0/7.0℃
DATA 19-7-96DATA 19-7-96 CONDENSER158.9 L/SCONDENSER158.9 L/S P.DROP 97.0 kPaP.DROP 97.0 kPa TEMP.RANGE32.0/37.0℃TEMP.RANGE32.0/37.0℃ DATA 19-7-96 CONDENSER158.9 L/S P.DROP 97.0 kPa TEMP.RANGE32.0/37.0℃
MADE IＮ　AUSTRALIA MAX.OPERATING AMPS 38.7 AT 10000 V.3 PH 50HzMADE IＮ　AUSTRALIA MAX.OPERATING AMPS 38.7 AT 10000 V.3 PH 50Hz MADE IＮ　AUSTRALIA MAX.OPERATING AMPS 38.7 AT 10000 V.3 PH 50Hz