etching liquids 中文意思是什麼
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Electrical appliance industry : the production of electrochemical capacitor ( erosion of aluminum film ) ; transportation of electrolyte in the production of dry cells and storage cells ; etching of circuit boards ; transportation of high purity chemical liquids in the production of semiconductors
金屬工業：氧化鋁膜處理設備；線材拉伸、鋼鐵軋制中除油及酸洗；車輛噴漆前除油及酸洗處理；氧化鈦、稀土元素的生產等。
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