oil-tightness 中文意思是什麼
oil-tightness
解釋
油密性-
The titanium alloy valve is more superior than ordinary steel valve in lighter, smaller expansion coefficient, improves the tightness in inletting and exhausting, helps in complete combustion, and at the same time reduces noise, friction, oil consumption, vibration, and gas waste
鈦合金汽門比一般鋼閥材質的產品更輕化、膨脹系數小，于進、排氣時可提升它的氣密動作，幫助完全燃燒，同時減少噪音、摩擦、油耗、震動及廢氣。 -
Plain bearings - part 5 : check list for verification of oil tightness
滑動軸承.第5部分:油密封性檢驗用檢查表
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