我们控制温度t和体积。
大体积砼水化热裂缝虽然不可避免，但是通过合理手段是可以控制的。
Though the crack of big-volume concrete is not avoid, using reasonable method can control it.
该机械手爪具有体积小、重量轻、控制方便等优点。
The mechanical paw has the merits of small volume, light weight, and convenient control.
在大体积混凝土中，温度应力及温度控制具有重要意义。
In large volume of concrete, temperature stress and temperature control is of great significance.
温度控制是大体积混凝土施工中的关键技术。
Temperature control is the key technique in bulk concrete construction.
因此大体积混凝土在施工中必须考虑裂缝控制。
Thus, crack control must be considered while a large mass concrete structure is in construction.
大体积混凝土的温度裂缝控制是施工中的一项重要课题。
Temperature crack control of mass concrete is an important subject in construction.
高原中体积混凝土的裂缝控制是目前国内外工程界面临的新课题。
Control of crack on mass concrete in plateau is a new problem to be studied.
隔爆型控制开关具有结构紧凑，可靠性好，体积小，通断。
The explosion-separate type control switch with copactstructure, steady property.
焊机整体体积小，重量轻，实时控制性能好，性能稳定。
Small volume , light weight , good real-time control capability , stable performance.
在大体积混凝土结构中，温度应力和温度控制具有重要的意义。
Thermal stress and temperature control is crucial in mass concrete structure.
该电动阀门控制器具有体积小、接线方便、精度高、操作简单、智能化等特点。
Electronic valve controller was small, wiring help, precision high, operate characteristic simple, intelligent.
本文论述了大体积砼冬期施工方法及砼裂缝的控制。
On quality control of mass concrete construction of a project;
本文论述了大体积砼冬期施工方法及砼裂缝的控制。
On quality control of mass concrete construction of a project;
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