滑架 [机] carriage
balladeur train
- 转动滑架为钻柱和钻头提供转动和垂直移动。
The rotary carriage provides rotary and vertical motion to the drill string and bit. - 类似的打磨烧蚀还会造成襟翼滑架轴颈断裂。(图10和11)。
Similar grinding burns also have led to the fracture of flap carriage spindle journals (figs. 10 and 11). - 滑架的垂直移动是由一个下拉齿轮箱提供的,该下拉齿轮箱则通过两个小齿轮连接到支架上的齿条上。
Vertical motion of the carriage is provided by a pulldown gear case coupled by two pinions to racks on the mast.