Therefore throw to add trace element to match well and store mud pool, so the problem of sludge bulking is solved.

为此，采取了向配水井、贮泥池内投加微量元素混合液的措施，从而解决了污泥膨胀的问题。

youdao

A pool of mud boils near Dallol Volcano, in Ethiopia's remote Danakil Depression.

一池泥浆在位于埃塞俄比亚远郊达纳基尔凹地(Danakil Depression)的宽干谷(Dallol)火山附近沸腾着。

youdao

The blind man may have heard the laughter and ridicule as people watched him stumble toward the pool: "Look at that fool with the mud on his face."

当那位瞎眼的向池子蹒跚而行时，可能听到了旁人的嘲笑：“看那个满脸是泥的傻瓜。”“当我们眼睛上有泥时我们不也看不见嘛！”

youdao

Bobo Simbo stands thigh-high in a pool of orange water, sifting the mud for traces of gold dust.

VOA: standard.2010.04.22