机械传动系统中广泛使用齿轮变速装置。
Speed change gears is widely used in mechanical transmission system.
总体设计中主要阐述了机床机械传动系统的改造。
The main design tool described the transformation of mechanical transmission.
两个主要部件为：一是机械传动系统，另一个部件为光学系统。
The two major components are: a mechanical drive system and an optical system.
液压机械传动系统的设计过程，首先是一个传动系统的设计过程。
The design of transmission system for Hydraulic machinery is different from other traditional design.
采用了机械传动，后桥驱动，保证了传动系统的可靠性。
Mechanical transmission and rear axle drive are used to ensure reliability of the transmission system.
采用了机械传动，后桥驱动，保证了传动系统的可靠性。
Mechanical transmission and rear axle drive are used to ensure reliability of the transmission system.
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