An electric motor propels the bus, but its regenerative braking system also pressurizes hydraulic fluid.

一个电动发动机推动这辆公交车，但其再生制动系统也对液压流体加压。

The initial period USES the pressure injector is the release lever, the spring pressurizes the type injector.

初期用的压力注射器是杠杆、弹簧加压式注射器。

The system pressurizes the casting, allows the pressure to stabilize and then monitors the rate of pressure decay.

该系统会加压铸造，使压力稳定，然后监测压力衰减率。

In this manner, when the motor pressurizes upon firing, the pressure forces the gaskets flat against the head, subsequently forcing the perimeter edges of the gasket tightly against the casing wall.

以这种方式，当电机迫使后，射击，压力迫使垫圈单位对头部，随后迫使周边边缘的垫片紧紧对套管墙。