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шпренгельная система stresses
construct.	下撑式结构; 加强杆体系; 下撑式体系; 辅助杆体系
el.	支撑构架; 桁构系统; 支柱构架
tech.	桁架系统; 吊架系统; 构架系统; 构架; 桁架