Coiled pipe heater is one of the main heat exchangers in chemical works. Replacing coil is related to the definition of the mold diameter and the elimination of the winding stress.
盘管式加热器是化工厂的主要换热设备之一，其盘管的更换主要涉及胎具直径的确定和弯曲应力的消除。
It is pointed out that the plasma assistant deposition technology is more favorable to the improvement of microstructure and the elimination of residual stress for long wavelength infrared filters.
指出等离子体辅助沉积工艺更有利于长波红外滤光片膜层的显微结构改善和残余应力的消除。
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