如何使用 "upstream" 造句

1. 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。
2. 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。
3. 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。
4. 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。
5. 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。