While medium pressure and the upstream end of the resilient and flexible structures to increase the downstream end of the valve seat seal.

同时介质压力与上游端挠性结构的回弹力又增加了下游端阀座的密封。

youdao

When we reached the downstream end of the island and were about to get back into our inflatable rafts Cho said, "Ed - look behind you". I turned and saw five canoes paddling up to us.

当我们走到小岛在下游处的顶端准备回到橡皮艇上时，裘对我说，“艾德，看后面，”我回过头来，看见有五条独木舟正向我们划来。

youdao

In the end, I think it's well proven that it's better not to give users and downstream systems unnecessary choices.

最后，我认为减少用户和下游系统不必要的选择显然更好一些。

youdao

First of all, it ignores the fact that the value chain is connected to the environment, that resources are being extracted at the upstream end and that consumers are dumping their used products back into the environment at the downstream end.

FORBES: Sustainable Consumption Rising on the Business Agenda

The principal product is polyvinyl chloride resin, which is supplied to downstream subsidiaries to manufacture and market end-user industrial and consumer products.

FORBES: #1,487 Westlake Chemical