The public desires water which is low in hardness and total solids, noncorrosive, and non-scale-forming . 人们希望水的硬度及固体含量都低,无腐蚀性,不生成水垢。
Such ions are capable of reacting with soap to form precipitates and with certain anions present in the water to form scale . 这种离子能够与肥皂反应形成沉淀,而且能与水中的某些阴离子反应形成水垢。
Flush dirt and scale from supply pipe 从供应管道内冲刷污垢和水垢。
Water delivery and injection line : cleanup scale and sediment 输水、注水管线:清除水垢、沉积物。