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Figure 1 shows these target platforms in the thin ring surrounding the core.
图1把这些目标平台放在围绕核心的简单环形结构中。
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O-ring of the spindle or core hole of body is damaged.
轴心使用O 环受损或主体心孔损伤。
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O-ring of the spindle or core hole of body is damaged.
轴心使用O 环受损或主体心孔损伤。
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