On my way home after I finished my classes in LongDong this afternoon, i dropped on one of my former teachers.
今天下午从龙洞上完课回家的路上，我去见一位多年没有见面的老师。
The method of thickening the casing wall has been applied in some adjustment wells and renewed wells in Longdong unit.
增加套管壁厚的方法已在陇东油区部分调整井及更新井中得到了应用。
This paper studied both the species distribution of poisonous plants and their poisons in Longdong Ziwulin Mountains natural grassland.
就陇东子午岭天然草地上对家畜有毒的植物种类分布及有毒成分等方面进行了调查，并提出了防治措施。
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