纯洁空气;

However, selecting high pure air as compress medium in moderate viability of cell.
当选择高纯空气为加压介质,控制合适的条件,微生物活细胞率不会损失.
来源:互联网摘选Lily was there, looking at me, with a pure air of innocence. I couldn't say anything!
丽丽在那儿看着我, 满脸的无辜. 我什么都没法儿说!
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