DLC Self-Lubricating Coating – Piston Rings CA2024-09-02Part Coating DLC 涂层piston ring自润滑涂层570Bench Test30Hz reciprocating frequency, fully synthetic oil lubrication DLC Piston Rings – Wear Rate Test DLC Piston Rings – Coefficient of Friction Test DLC Piston Rings – Life Testing
纳狮 PVD/DLC 真空镀膜设备-IE
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