self-propulsion drive 自航推进传动
auxiliary propulsion drive 辅助推进系统
electric propulsion drive systems 电气驱动系统
right-angle drive propulsion 直角传动推进
right angled drive propulsion system 直角传动推进装置
T-drive propulsion diesel engine T形传动轴推进柴油机
right-angle drive propulsion system 直角传动推进装置
In 2008 it was modernized with new buttons, new digital floor indicators with scrolling directional arrows, and a new propulsion drive.
在2008年它被更新，换上新按钮、新的电子楼层显示器连滚动式方向箭咀，以及一台新的驱动装置。
This company sometimes even installs or replaces a whole lift with individual parts built to order by individual clients, from car fixtures to the propulsion drive.
该公司偶尔甚至会因应个别客户要求，以个别零部件安装或更换一整部升降机，范围由客卡设备至到驱动装置。
The drive wheels then rotate as necessary, to achieve both balance and propulsion.
然后驱动轮按需转动，同时实现平衡和推进。
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