 |
 |
 |
 |
 |
|
|---|---|---|---|---|---|
| 1 | hard water | 硬水 | |||
| 2 | permanent hard water | 永久硬水 | |||
| 3 | temporary hard water | 一時硬水 | |||
| 4 | water softener | 硬水軟化剤 | |||
| 5 | water softening | 硬水の軟化 | |||
|
|
|
|
|
|
|---|---|---|---|---|---|
| 1 | hard water | 硬水 | |||
| 2 | permanent hard water | 永久硬水 | |||
| 3 | temporary hard water | 一時硬水 | |||
| 4 | water softener | 硬水軟化剤 | |||
| 5 | water softening | 硬水の軟化 | |||
