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套筒炮身
meaning in English
jacket tube
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
套筒密封
套筒呢
套筒配合
套筒膨胀螺栓
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