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单词
retraction ring
释义
retraction ring
美
/ r??tr?k?n r?? /
简明释义
收缩环,子宫收缩环
双语例句
1
A mechanical component with two
rings
pivoted on axes at right angles to each other allowing movement in two directions used in the flap extension and
retraction
system.
襟翼的伸出和收上系统内的具有两个圆环的机械部件。两个圆环的旋转轴相互垂直,以使部件在两个方向都能转动。
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更新时间:2025/2/11 10:08:28