1·Within the industry, different parts of oil companies are descried as sections of a river: upstream, midstream and downstream.
在石油行业，通常按照河流区域的划分，将石油公司划分为上游、中游和下游。
2·Midstream means the transportation of new oil by ship routes and pipelines.
中游是指通过船运和管道运输新开采的石油。
3·As the name suggests, midstream companies sit between upstream companies which actually extract the oil or natural gas and downstream companies which distribute the commodity.
正如名字所示，中游的公司处在上游开采原油和天然气的公司和下游分销产品的公司之间。
4·The coverage ratio, i. e., the ratio of available cash to distributions paid, of midstream MLPs is just over 1.09x.
比如中游mlp公司的流动比率，即可支配现金与分配现金的比重，才刚刚超过了1.09倍。
5·In south-central Hunan Hengyang, the Xiangjiang midstream.
衡阳位于湖南省中南部，湘江中游。