mechanical transmissions的用法和样例：
例句
- The driving mechanism is totally enclosed in the machi-ne boby and its lubrication system improves the lifetime of the mechanical components.
机械传动系统全部封闭在机体内，并附有自动润滑系统，提高了机件的寿命。 - A supply system based on the single-motor propelled multi-mechanism which can implement high precision and high reliable mechanical transmission is analyzed.
摘要分析一种基于单动力驱动多机构的，可获得高精度及可靠性高的机械传动的供货系统。
