Masonry walls are built with stones or bricks, cohered through the use of mortar, first composed of lime and sand.

首先由石灰和沙子和成的砂浆把石头和砖粘合在一起建成了砖瓦墙。

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Mortar is composed of lime, sand and water.

灰浆由石灰、沙和水组成。

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Mortar is composed of lime, sand and water.

灰浆由石灰、沙和水组成。

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