To do so, he does not cause surface layer and cement mortar is inconsistent, surface water mud too much, easy to the problem of craze.

这样做，就不致造成表面与里层砂浆配合比不一致，表面水泥浆太多，易于开裂的问题。

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While the children swam, played and splashed water at each other, Wilbur amused himself in the mud along the edge of the brook.

当孩子们在游水、玩耍和泼水时，威尔伯便在溪水边的泥里自娱自乐起来了。

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Adobe becomes a sticky mud when it is mixed with water.

VOA: special.2009.01.12

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

VOA: standard.2010.04.22

Marine biologists at Edinburgh's Heriot-Watt University report the cable could cross deep water mud habitats.

BBC: Western Isles sub-sea cable 'could affect' mud life

However, they said it was possible deep water mud habitats could be affected.

BBC: Western Isles sub-sea cable 'could affect' mud life

The obstacles increase at each level and can involve water, mud, hills, walls, fire, even learning Greek and answering riddles.

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