...entilation 均衡制通风系统 balance tank 平衡罐[平衡压力，液面等的容器] balance valve 平衡阀 balance ventilation 平衡通风 balance weight 平衡重（量） balance wheel 摆轮，平衡轮 balancing apparatus 平衡仪 bball 球 ballast 镇定物；镇流器；石渣 ...
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balance system of ventilation 均衡制通风系统 ; 均衡制通风体系
heat balance of ventilation 通风热平衡
ventilation balance 机械通风
First, the optimum balance of mechanical and natural ventilation is estimated and used to determine the maximum potential saving it could give when compared with natural ventilation alone.
首先，人们对机械通风和自然通风的最佳平衡进行了预测，当与只使用自然通风相比较时，用它来决定机械通风系统能够给予的最大潜在储量。
Widely used for electrical rotors, machine tool spindle electric tools, such as rotary ventilation her body balance calibration.
广泛应用于电机转子、电动工具机床主轴、通风设备等旋转体工件平衡校正。
Results:As compared with TPN group, nitrogen balance was increased and mechanical ventilation time and treatment cost were decreased in EN group ( P <0.05).
结果：EN组氮平衡高于TPN组，机械通气时间、临床费用低于TPN组，组间差异均有显著性（P <0 .0 5 ）。
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