2.A strainer is recommended to be installed ahead of the backflow preventer to prevent the fouling of the check assembly and resulting spillage from the valve during repressurization.
7.They want to replace the divers completely with a machine. That machine, moreover, would not merely defoul a ship's hull, but stop it fouling up in the first place.
8.So in the mid 18 hundreds, inventors started taking paint and adding various kinds of BIO sides, chemicals that would either destroy or at least help control BIO fouling organisms.
因此, 在 18 世纪期, 发明家们开始采用油漆并添加各种 BIO 面,这些化学物质会破坏或至少帮助控制 BIO 污染生物。机翻
9.And at the very end of class, we said that the first points that we know for sure were designed specifically to prevent fouling were developed in the mid 18 hundreds.
10.But what I contend against is the way medical men are fouling their own nest, and setting up a cry about the country as if a general practitioner who dispenses drugs couldn't be a gentleman.
11.Then in the 1950s, a new BIO side compound was developed, a compound called tributyl tin, or t BT p BT based paints were so effective that they were seen to be the perfect product for preventing BIO fouling.
然后在 1950 年代, 开发了一种新的 BIO 侧化合物,一种称为三丁基锡或 t BT p BT 基涂料的化合物非常有效, 以至于它们被视为防止 BIO 污染的完美产品。机翻