If using a bioelectrical impedance scale, be sure to measure under the same circumstances each time. Hydration, food intake and skin temperature can affect body fat measurements.
如果是使用生物阻抗电子秤，确认每次是在同样的条件下。水和作用，吸入的食物和皮肤温度能过影响体脂的测量。
Hydration, food intake and skin temperature can affect body fat measurements.
水和作用，吸入的食物和皮肤温度能过影响体脂的测量。
The cooling pipe, using circling cooled water to reduce the heat of hydration in concrete DAMS, is the most efficient method for temperature controlling in concrete DAMS.
在混凝土坝中利用冷却水管中循环冷水来降低混凝土内部水泥的水化热温升，是混凝土坝温度控制的最有效措施。
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