基本解释[医药科学]骨拉钩英汉例句双语例句The principle is that bone fixation can be used to provide the retractor blade an axis of rotation inside the wound.该理念在于，该器械固定在骨上，在伤口内为牵开翼提供旋转轴。bone retractor更多例句词组短语短语bone elevator and retractor 骨起子和拉钩bone retractor detail 骨拉钩bone retractor更多词组专业释义医药科学骨拉钩