基本解释放射性示踪物英汉例句双语例句Radioisotopic tracer technology measuring water entry profile has been used in oil fields for a long time.放射性同位素示踪法测吸水剖面工艺在油田已应用很久了。radioisotopic tracer更多例句词组短语短语radioisotopic tracer log 放射性同位素测井tracer radioisotopic 放射同位素示踪剂radioisotopic tracer更多词组专业释义能源科学技术放射性同位素指示剂