bearing combination
短语词组
- petroleum -bearing combination 含油气组合
- combination bearing [机]组合轴承;珠辊轴承;组合;组合轴承
- combination bearing reducer 组合轴承座式减速器
- combination E bearing 组合轴承
- The Bi -directional Combination Bearing 双向组合轴承
- multi combination oil bearing formation 多组合油层 返回 bearing combination