misc. guide surface
... track steam crane ==> 轨道蒸汽吊 track surface ==> 导轨面 track switch ==> 轨道开关 ...
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不使用时，必需做好车床的清洁保养工作，防止切屑、砂粒或杂质进入车床导轨滑动面，把导轨“咬坏”或加剧它的磨损。
When not in use, it is necessary to do the maintenance work of the lathe, prevent scraps, sand or impurity into lathe guide sliding surface, put rail "chewed" or worse it of wear and tear.
纵向采用50 KG导轨，四面经精密磨床加工。直线度好。
Longitudinal guides with the level of 50kg by precision grinding have good straightness.
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