The possible interferences existed in produced waters are established.确定了油田水中可能存在的干扰因素.The environmental interferences to infrared temperature measurement in the furnace are analyzed.分析了轧钢加热炉钢坯红外测温所受到的炉内环境干扰.Spectral int...
该国的贸易顺差增加到165亿美元。The country's trade surplus widened to 16.5 billion dollars.葡萄牙1992年经常项目可能会出现小额顺差。Portugal will probably have a small current-account surplus for 1992.顺差则可以转化为储备的积累或对海外的放款.Surpluses may be dissipate...