短語詞組短語PVC membrane pH electrode PVC 膜pH電極membrane coated electrode 涂膜電極polymeric membrane ph electrode 聚合膜ph電極membrane -electrode interface 膜membrane selective electrode 膜電極PVC membrane modified electrode PVC 膜修飾電極membrane and electrode assembly 膜電極membrane modified electrode 膜修飾電極membrane coatedglass electrode 膜涂層電極 返回 membrane electrode