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支环传动套筒
meaning in English
seal drive sleeve
Related Words
纸套筒
浮动套筒
形套筒
铰链套筒
调节套筒
膨胀套筒
滑动套筒
转动套筒
套筒千斤顶
支化作用
支环
支环礁
支环链烷
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