| upper: 7.5cm, Lower 2.5cm |
| 送交者: drought 2009月03月16日11:27:17 于 [灵机一动] 发送悄悄话 |
| 回 答: 一道人体机能学问题 由 羽球飞 于 2009-03-15 10:13:32 |
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If the extra salt was added to the upper phase, the anwser should be:
upper, 7.5cm; Lower 2.5cm If the extra salt was added to the lower phase,the levels of solutions remained the same: upper, 5cm; lower, 5cm |
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