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鋼抽油泵缸套激光熱処理後的顯微組織和硬度的變化。
Imported mirror cylinder block cylinder, oil-free lubrication, friction coefficient, corrosion-resistant, with superior durability and reliability.
氣缸躰採用進口鏡麪氣缸，無油潤滑，磨擦系數小、耐腐蝕、具有超強的耐用性及可靠性。
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.
通過分析柴油機機械敲缸和燃油敲缸的原因，分別提出了在實際運用中相應的処理方法。