AFB1212H小叶片间距角度产生较低的流量,而增加间距则可产生较高的流量。 先进的轴流式风机能够在风机运转时改变叶片间距(这与直升机旋翼颇为相似),从而相应地改变流量。这称为动叶可调(VP)轴流式风机。MRS18-TUL 9G0612P1M031 2410ML-05W-B39 D03P-12TS3 A2D250-AI02-01------ AFB0648EH MRS18-DTM 109P0424H7D09 4715KL-05W-B40 D08K-24TU R2E190-AE77-B1 BFB1012H MU1025S-41B 109P1248H102 4715KL-04W-B56 B34659-57 R4E310-AP11-09/F01 AFB0712HHB MR18-TTAUL 109E1224H144 3110SB-04W-B59 M35613-35DEL2 RG160-28/56S AFB0712VHB MB10Z-D3 109E5712DY5J4 3610KL-04W-B69 A34458-26 W2E142-BB01-A9 EFC1212D MRS18-DUL 109L0624G4H03 4710NL-05W-B10 D09T-12PH R2E280-AE52-17 FFB0824SHE MD925A 9A0812S404 23KM-K711-14V D04R-24TS3 3214J/2H3F BFB0712H MRS16V-B 109P0424G302 4710NL-04W-B59 M33503-55 R1G133-AA65-36 BFB1212HH MU1428S-11- AC100V 109BD24HD2 BM5115-05W-B40 A33924-29 8318/12H EFB0824EHF MF915-DC 9AH0812P4H031 3110ML-05W-B69 H80E12BS1A7-07 DV5218/2NP TFC1212DE MU1238A-12B 109P0412H917 3110KL-04W-B59 C34637-58 RLF35-8/14N AUB0812HH