Because equipment of vacuum drying is very complicated and drying cost is expensive, the conventional method is suited for popularization and utilization.
由于真空干燥设备复杂，干燥成本高，建议推广采用汽蒸高温脱脂干燥——常规干燥方法干燥落叶松板材。
Intermittent freeze drying equipment for control of drying at different stages of heating temperature and vacuum degree requirements.
间歇式冻干设备便于控制物料干燥时不同阶段的加热温度和真空度的要求。
The continuous freeze-drying equipment at home and abroad in recent years, begin to explore and use of continuous vacuum freeze drying 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。
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