传动系统的齿轮箱与滑动顶尖座为一体结构，升降灵活，操作方便。
Gear case of the gearing system and the gliding tailstock are integrative structure, lifting swiftly, operating easily.
传动系统的齿轮箱与滑动顶尖座为一体结构，升降灵活，操作方便。
Gear case of the gearing system and the gliding tailstock are integrative structure, lifting swiftly, operating easily.
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