氧量的测定 meaning in Chinese

determination of oxygen content

Water quality - determination of the chemical oxygen demand
水质.化学需氧量的测定
Cod water quality - determination of chemical oxygen demand
水质.化学需氧量的测定
Method for determination of active oxygen content in manganese ores
锰矿石中有效氧量的测定
Copper and copper alloys - determination of oxygen content
铜及铜合金化学分析方法氧量的测定
Determination of the standard oxygen consumption of the crested ibis nipponia nippon
人工饲养朱?耗氧量的测定

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