Therefore, selecting proper rock ash content is an important measure to improve concrete quality and lower project cost.
因此选用合适的石粉含量是提高混凝土施工质量、降低工程造价的一项不可忽视的重要措施。
Driven cast-in-place pile is widely used because it has many advantages such as high efficiency of accomplishing pile, high carrying capacity, lower project cost, controlling pile-length agility.
沉管灌注桩以其成桩效率高、承载力强、工程成本低、桩长控制灵活等优点而得到广泛地应用。
Let's say the project was estimated based on the labor of senior engineers (i.e., expensive), but the work is actually being performed by more junior-level engineers (i.e., at a lower cost).
让我们假设工程以高级工程师的劳动成本来评估(也就是高成本),但是实际上工作是由更多初级工程师来执行的(也就是低成本)。
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