垢层热阻
heat resistance of the scale
垢积因数
fouling factor
垢性牙槽脓溢
schmutz pyorrhea
垢性龈炎
calcic gingivitis
管垢
pipe scale
锅垢
boiler scale(deposit)
锅卢防垢剂
anti-incrustator
锅炉防垢剂
bolier compound
锅炉阻垢剂BS-1
boiler scale inhibitor BS-1
含钡去垢添加剂
barium detergent additive
含垢忍辱
bear shame and humiliation; eat dirt; eat dust