| |||
annealing | |||
lifting; raising; "softening" | |||
softening Reduction of the hardness of water by removing hardness-forming ions (chiefly calcium and magnesium) by precipitation or ion exchange, or sequestering them as by combining them with substances such as certain phosphates, that form soluble but non-ionized salts; softening | |||
staking |
ablandamiento: 36 短语, 11 学科 |
一般 | 7 |
供水 | 4 |
农业 | 10 |
冶金 | 3 |
包装 | 1 |
化学 | 3 |
树脂 | 2 |
环境 | 2 |
电子产品 | 2 |
运输 | 1 |
钻孔 | 1 |