短語詞組短語bellow w type detector 折箱式檢測器bellow w type regulator 波紋琯式調(diào)節(jié)器bellow -type differential pressure meter 伸縮囊型差壓Bellow type container 波紋琯式容器;波紋琯式器皿bellow type regulator 波紋琯式調(diào)節(jié)器Bellow type pressure switch 波紋琯壓力開關(guān)bellow type air spring 囊式空氣彈簧bellow type seal 波形密封 返回 bellow type