If a freezing chamber and a drying chamber is separated from the drying chamber, without insulation, there are not a lot of heat loss, so the utilization of heat energy economy.
如果冷冻室和干燥室分开时，干燥室不需绝热，不会有很多的热损失，故热能的利用很经济。
Realizes fasti safe, economical, the high quality coal mine freezing process drills a well, is the present new turn coal mine well chamber construction pursue goal.
实现快速、安全、经济、优质的煤矿冻结法凿井，是目前新一轮煤矿井筒建设追求的目标。
Realizes fasti safe, economical, the high quality coal mine freezing process drills a well, is the present new turn coal mine well chamber construction pursue goal.
实现快速、安全、经济、优质的煤矿冻结法凿井，是目前新一轮煤矿井筒建设追求的目标。
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