Use the plastic bearing. Don't need to put on oil, less pollution.
使用塑料轴承。不需要放油，污染少。
The machine moving parts adopt imported plactis bearing, no need to put on oil, no maintenance, less pollution.
本机直线运动部分均采用进口工程塑料轴承，无需加油，免维护，减少污染。
The machine moving parts adopt imported plactis bearing, no need to put on oil, no maintenance, less pollution.
本机直线运动部分均采用进口工程塑料轴承，无需加油，免维护，减少污染。
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