barrier additives

常见例句

雙語例句

• The proprietary AMSOIL additives form an iron-sulfide barrier coating on gear surfaces, providing the ultimate line of defense against wear, pitting and scoring.
  專有AMSOIL添加劑形成鉄硫化物的齒輪障塗層表麪，提供對磨損防禦的最後底線，點蝕和評分。
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