We have carried out three sets of knee joint exposure:normal front position and two side positions, and studied in comparison with respective aluminum wedge exposure tests.
笔者就膝关节常规正、侧位进行三组曝光，并与铝梯做对应测试研究。
We have carried out three sets of knee joint exposure:normal front position and two side positions, and studied in comparison with respective aluminum wedge exposure tests.
笔者就膝关节常规正、侧位进行三组曝光，并与铝梯做对应测试研究。
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