shuǐ​gòu

limescale; furring

Senses

水垢 shuǐ​gòu limescale; furring

hard mineral deposit that forms on the inner surfaces of kettles, boilers, or pipes when water is boiled; sediment; scale

References

same_as 水垢/水垢 水锈/水鏽
same_as 水垢/水垢 水碱/水鹼
same_as 水锈/水鏽 水垢/水垢
same_as 水碱/水鹼 水垢/水垢