Preferably the chamber is of a cylindrical or tubular design with rounded ends, so as to reduce "hot spots" during operation, and to otherwise most efficiently accommodate the auger.
宁可室对圆形的结束感到圆筒形或者管状设计， 如此当做在操作期间减少“政情不稳地区”， 而且到另外最有效率地适应螺丝钻。
Some problems in the design of circular tubular joints are discussed in this paper.
本文探讨了圆管结构相贯节点设计中的若干问题。
The vibration mechanism of tubular air heater is analyzed, the measures for refurbishment and design of air heater is put forward.
详细分析了管式空气预热器的振动机理，并从改造和设计两方面提出消除振动的措施。
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