前壁有燕尾形的垂直导轨，供升降台上下移动。
The anterior wall of the vertical guide dovetail, for mobile lifting platform.
导轮架进给导轨采用燕尾形滚针导轨，进给用差动丝杆；
The regulating wheel feed slide is supported on dovetail needle roller guideway and a differential leadscrew is used for performing feed motion.
导轮架进给导轨采用燕尾形滚针导轨，进给用差动丝杆；
The regulating wheel feed slide is supported on dovetail needle roller guideway and a differential leadscrew is used for performing feed motion.
应用推荐