After the filled sand mortar condensed, remove the additional mortar in the surface.

当充填的砂浆凝结后，擦掉表面多余的砂浆。

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The dry shrinkage rate of standard curing concrete sand mortar evidently exceeded the steam curing simples at the same age.

标养水泥砂浆的干缩率明显大于同龄期蒸养水泥砂浆试件。

youdao

Extend rest period and thermostatic period, increase thermostatic temperature also could reduce the dry shrinkage rate of standard curing concrete sand mortar, evidently improve its volume stability.

延长预养时间和恒温时间、提高恒温温度可以降低蒸养纯水泥砂浆的干缩率，使其体积稳定性得到明显改善。

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He remembered the sand shaking under his feet from mortar fire and the dead bodies rolling in the surf, against his legs.

ECONOMIST: Bill Millin

As the sand was pumped on to an Oceanside beach, however, the navy was embarrassed: it found two 81mm mortar rounds and some machinegun bullets in the dredged sand.

ECONOMIST: California��s beaches