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