The so-called no perfect technology, vacuumfreezedrying technology of the main disadvantages of high cost.
正所谓没有完美的技术，真空冷冻干燥技术的主要缺点是成本高。
2
The continuous freeze-drying equipment at home and abroad in recent years, begin to explore and use of continuous vacuumfreezedrying equipment.
连续式冻干设备近年来，国内外开始探索和使用连续式真空冷冻干燥设备。
3
The principles and advantages of the membrane separation, vacuumfreezedrying in instant tea processing, the bright future of the instant tea were outlined.