Methods 45 cases (77 eyes) of ocular trauma by spray gun had been analysed retrospectively. (Results The) visual was no obviously effected after treatment.
方法通过对45例(77眼)压力喷枪所致眼外伤的病因、临床表现及治疗进行分析。
The computing data indicates that because cartridge cases are thin walled cylinders, the emission stress and plastic deformation are high under gun pressure.
应用非线性有限元方法计算药筒的发射应力和抽壳力。
The computing data indicates that because cartridge cases are thin walled cylinders, the emission stress and plastic deformation are high under gun pressure.
应用非线性有限元方法计算药筒的发射应力和抽壳力。
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