短語詞組短語Bel -ray Semi-Synthetic Chain Lubricant 半合成鏈條潤滑劑polyester synthetic lubricant 聚酯合成潤滑劑Polyalkylene Synthetic Lubricant 聚烯合成潤滑劑synthetic lubricant fluid 合成潤滑油aviation synthetic lubricant 航空合成潤滑油semi -synthetic lubricant 半合成油polyalkyl synthetic lubricant 聚烷基合成潤滑劑 返回 synthetic lubricant