它具有保藏期长，变异小，便于大量保藏及适用范围较广等优点。

It have long keeping time, small variations, convenient to storage and applied to the many fields.

youdao

它具有保藏期长，变异小，便于大量保藏及适用范围较广等优点。

It have long keeping time, small variations, convenient to storage and applied to the many fields.

youdao