The train of the car can is usually called a drivetrain.

车厢的传动带又通常称之为动力传动系统.

DOE issued a new challenge in 2009: Give the lightened bus a more fuel-efficient drivetrain.

2009年，联邦交通部（DOE）提出了一个新的挑战：给这辆减轻了重量的公共汽车更有效的动力传动系统。

The parallel hybrid drivetrain gets the wheels going through a continuously variable transmission.

并联式混合动力传动系统的轮子会经历一个连续可变变速箱.

The blades will attach to a drivetrain that does away with many of the moving parts, including the gearbox, that are prone to breakage and energy loss.

风叶直接与动力传动系统连接，甩掉了包括变速箱在内的许多传动部件，后者往往容易产生断裂事故或造成能量损失。

The drivetrain of this car is incredibly efficient.

这辆车的驱动系统非常高效。

The new model features an advanced drivetrain technology.

新型号采用了先进的驱动系统技术。

A faulty drivetrain can lead to serious mechanical issues.

有故障的驱动系统可能会导致严重的机械问题。

The sprocket is an essential part of the bicycle's drivetrain.

链轮是自行车传动系统的重要组成部分。

Regular maintenance of the drivetrain is essential for vehicle longevity.

定期维护驱动系统对车辆的寿命至关重要。

Engineers are working on improving the drivetrain for better performance.

工程师们正在改进驱动系统以提高性能。