木材质量等级
quality grade of structural timber
单位面积质量损失速率
Mass loss rate per unite area
内外质量损失成本
internal and external quality failure cost
内装质量损失
quality degradation of packaged glass
燃烧质量损失率
loss rate of quality after burning
田口质量损失函数
Taguchi quality loss function
Taguchi’s quality loss function
Taguchi’s loss function