However , they increase profits from upstream hydrocarbon production .

然而，油价上涨也提高了上游油气开采业务的利润。

But teachers like him were individuals swimming upstream .

但是像他这样的老师不过是逆流而上的个人。

Sinopec has also expanded its upstream production and attempted to secure crude oil resources .

中石化还扩大了上游业务规模，并试图获得新的原油资源。

Photo taken in 1871 , from expedition camp 8 , looking upstream .

摄于1871年，调查队8号营地，面朝上游。

But it wants access to china 's gas distribution networks to complement upstream supply .

但中国石化希望在燃气分销网络中占据一席之地，补全上游供应业务。