The finite element analysis of the bridge-erecting machine 'beam under welding defect conditions is conducted with ANSYS program, which provides a basis for the structural safety assessment of beam.
以A NSYS为分析工具，对铁路架桥机导梁焊接缺陷进行有限元分析，为导梁进行结构安全评定提供依据。
The safety automatic heat-insulation drinking machine for animal adopts a microcomputer program control system, is intelligent and automatic and does not need the guarding of a special person.
畜用安全自动保温饮水机采用微电脑程序控制系统，智能自动化，无需专人看管。
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