基本解释[能源科学技术]多级处理英汉例句双语例句Objective To investigate the efficacy of single-stage combined anterior-posterior instrumentation for treatment of multiple level cervical spine fractures.目的探讨一期前后联合入路内固定治疗颈椎多节段骨折脱位。multiple-stage treatment更多例句专业释义能源科学技术多级处理