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通风阻力 tōngfēng zǔlì
tech. resistance of ventilation; stack loss
wind. ventilation resistance
通风阻力风流的摩擦阻力和局部阻力的总称 tōngfēng zǔlì
expl. mine resistance; ventilation resistance; pressure drop; ventilation loss
通风阻力: 4 phrases in 1 subject
Technology4