valve oil

 
  • 閥油

valve oil的用法和樣例:

例句

  1. A calibration valve oil for hydraulic shield safety valves was formulated by a base oilobtalned from the distillate of a deep-refining paraffinic crude with qualified additives.
    以深度精製的石蠟基餾分油為基礎油,添加具有改善油品性能的添加劑研製了液壓支架安全閥校閥油。
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