- scaliness
- 积水: ponding; hydrops
- 垢: dirt; filth; stains
- 沉积水垢: sediment incrustation
- 水垢: incrustant; incrustation scale; scale deposit; scale; incrustation 除去锅炉里的水垢 scour out a boiler; 水垢净化器 scaler
- 积水: ponding; hydrops◇积水面积 ponding area
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