短语词组短語ph -meter 酸度計lamp pH -meter 燈式酸堿計numerical ph -meter 數字式酸度計digital l pH -meter 數字式酸堿計immersion pH -meter of industry 工業用浸入式酸堿計direct -reading PH meter 直讀PH計fiber -optic ph meter 光纖ph計Pen -type pH Meter 樣品名稱 返回 ph-meter