凸面阀座。阀座周围的槽将颗粒收集起来，并排挤到闸刀旁边，以避免出现堵塞。当阀门开启时，流体介质压力就会清洗槽内的颗粒。

Raised-face seat. A groove around the seat collects particles pushed aside by the knife and prevents clogging. When the valve opens, media pressure cleans the groove.

youdao

换句话说，我的意思是在沙漠里，你有碳颗粒，它们会收集表面的水分。

In other words, I mean in the desert you have the carbon granules which would collect moisture on top of them.

youdao

人们不但在这里开挖金矿，而且在河里也能找到黄金。 人们用富含羊毛脂的羊皮在河水中收集黄金颗粒。

Not only was gold mined there, it was found in rivers too, where the gold particles were collected using lanolin-rich sheepskins.

youdao