cylinder oil

基本解释

Treated with laser the changes in microstructure and hardness of cylinder sleeve of oil-well pump for 45 steel were studied.
本文研究了45钢抽油泵缸套激光热处理后的显微组织和硬度的变化。
Imported mirror cylinder block cylinder, oil-free lubrication, friction coefficient, corrosion-resistant, with superior durability and reliability.
气缸体采用进口镜面气缸，无油润滑，磨擦系数小、耐腐蚀、具有超强的耐用性及可靠性。
Through analysis on the causes of mechanical cylinder-knocking and fuel-oil cylinder-knocking of the diesel engine, this paper puts forward corresponding treating methods respectively.
通过分析柴油机机械敲缸和燃油敲缸的原因，分别提出了在实际运用中相应的处理方法。