alphacooL 德国设计GERMAN ENGINEERING SMART AND EFFICIENT DDC4.2P-HT4NWX-01 60E0C2101YYY004 -=2V20w TF的1P32 202203013241 @(∈cJus Xylem Service -ungary Kt. H-2700 Cegled KusE-KE41 Made in Hungary ALPHACOOL LAING原厂DDC-pump2 OW DDC泵 Laing DDC-pump 12V DDC PWM