5B-5型COD在线监测仪是与重铬酸钾法所测结果相对应的仪表，它可广泛地应用于环境保护中各种工业污水，生活污水及地表水的监测、研究和处理 midwest-group
中西集团
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COD在线速测仪LHUB0-5B-5型
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