oil-retaining bearing 中文意思是什麼
oil-retaining bearing
解釋
含油軸承-
Oil - retaining bearing, friction material, ( soft and hard ) magnetic element, electronic ceramics, electrical alloy, etc
含油軸承、摩擦材料、 (軟、硬)磁性元件、電子陶瓷、電工合金等。
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