Calcium is also necessary to prevent leakage of potassium during the aging of beet slices.
甜菜薄片衰老时期，钙对于防止钾离子丧失，也极其必要。
The development of sodium absorption capacity by aging beet slices, however, does not require calcium.
然而，随着甜菜薄片的衰老，要提高钠离子的吸收能力，已经无需钙参与作用了。
The development of sodium absorption capacity by aging beet slices, however, does not require calcium.
然而，随着甜菜薄片的衰老，要提高钠离子的吸收能力，已经无需钙参与作用了。
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