A rubber wrap is placed about the magnet and about the portion of the fuel line in contact with the magnet to further focus the magnetic field on the flowing fuel.
将磁铁用橡胶包裹起来，并使之与燃料管路的末端接触从而进一步将磁场集中在流动的燃料上。
2
Torque ripple suppression was the research focus of permanent magnet brushless motor, domestic and foreign experts and scholars had proposed lots of solutions for the problem.