graduating valve
基本解釋
- [鐵路][機] 節(jié)制閥,調(diào)節(jié)閥;階段制動閥
詞組短語
- graduating g valve spring 節(jié)制閥彈簧
- graduating g valve 節(jié)制閥
- graduating valve spring [鐵路][機]節(jié)制閥彈簧;遞開閥簧
- equalizing graduating valve 均衡遞動閥;均衡遞開閥
- graduating valve lever 遞開閥桿
短語
專業(yè)釋義
- 節(jié)制閥