English to French Tech/Engineering Engineering (general)

Toujours dans un article sur les pompes et moteurs hydrauliques:

This final drive digital hydraulic motor can be commanded to provide positive or negative torque when spinning in either direction.
(...)
This arrangement does require the use of conventional valves to properly mate the P & T port of the digital pump or motor with the A and B ports of the conventional hydraulic motor. However, even with the required addition of ****direction and braking valves****, this machine architecture offers a considerable fuel savings benefit.