graduating valve

基本解釋

• [鉄路][機] 節(jié)制閥，調(diào)節(jié)閥；堦段制動閥

詞組短語

短語

• graduating g valve spring 節(jié)制閥彈簧
• graduating g valve 節(jié)制閥
• graduating valve spring [鉄路][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

• graduating valve更多詞組

專業(yè)釋義

交通運輸工程

• 節(jié)制閥