This is a complex problem concerning three dimensional heat transfer.
这是一个复杂的三维传热问题。
Grain drying is a complex and unstable process of heat and mass transfer.
谷物干燥是一个复杂的传热传质过程。
Adopting complex wind channel technic for improving the heat transfer.
采用复合风道技术，增强散热效果。
Adopting complex wind channel technic for improving the heat transfer.
采用复合风道技术，增强散热效果。
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