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间隔环
meaning in English
spaced ring
spacer ring
spacing ring
Related Words
分组间隔
间隔精度
掌握间隔
等间隔
双工间隔
航线间隔
射击间隔
行车间隔
载波间隔
重复间隔
间隔化
间隔化 防火分区法
间隔基
间隔机构
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