So in the construction industry concrete is the stuff that results when you mix cement with filler material like sand or gravel.

因此在建筑业范围内，混凝土是水泥与沙或沙砾等填充物混合之后的产物。

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The utility model discloses a suspended type cement packaging machine and solves the problems of large size, raw material waste, complicated structure, and the like in the prior art.

本实用新型公开了一种悬吊式水泥包装机，可以解决现有技术存 在的体积庞大、浪费原料、结构复杂等问题。

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In addition, whereas barnacles just ooze out their cement, Crassicorophium processes its material in a spider-like spinning duct.

ECONOMIST: A species of crustacean makes silk underwater