The other purpose for the mid drive is to step-up the gearing - with the aerodynamic fairing body on, the bike can go very fast with very little power.
其他目的的中期驱动器是逐步的调整-与气动整流罩机构，自行车可以非常快很少权力。
2
The company's gearing up for the big export drive.
公司正为大规模输出作好准备。
3
The agitator drive is comprised of a robust non-proprietary reducer which utilizes parallel helical gearing and has a minimum mechanical service factor of1.5.