然而，误差分析表明，此项假设仅适用于某些生产条件，如动能损失在总能耗中所占份额较小、测压仪表精度低等等。
Error analysis , however , indicates that this assumption is only suitable for those production conditions , as a small share occupied by kinetic energy loss in the total energy consumption and low pressure gauge accuracy , etc.
测压仪表