... constancy of frequency 频率恒定性 constant area 常数区域 constant armature reaction 固定电枢反应 ...
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constant area flowmeter 固定面积流量计
constant area flow 等截面流
constant area curve 恒定面积曲线
constant-area mixing 等面积混合
constant area coding 常数块编码
constant area duct 等截面导管
constant-area lance 等截面喷枪
constant area factors 等面积系数
constant area orifice 固定截面量孔
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