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(You can also achieve the same effect by slotting toilet roll carboard tubes together in series).
(你也可以把卷筒卫生纸的纸管开槽串在一起达到同样的效果)。
youdao
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(You can also achieve the same effect by slotting toilet roll carboard tubes together in series).
(你也可以把卷筒卫生纸的纸管开槽串在一起达到同样的效果)。
youdao