短語詞組短語diaphragm valve spring retainer [鐵路]膜片閥彈簧壓蓋Diaphragm valve spring [鐵路]膜片閥彈簧diaphragm air spring 膜式空氣彈簧diaphragm -spring 膜片彈簧Diaphragm -spring Clutch 膜片彈簧離合器diaphragm return spring 膜片回位彈簧diaphragm valve spring seat [鐵路]膜片閥彈簧座diaphragm typeair spring 膜式空氣彈簧Diaphragm balance spring 隔膜平衡彈簧 返回 diaphragm spring