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So springs are always pushed or pulled on either side with the same force.
所以弹簧两边永远都是受到,相同的压力或拉力
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$firstVoiceSent
- 来自原声例句
So springs are always pushed or pulled on either side with the same force.
所以弹簧两边永远都是受到,相同的压力或拉力
应用推荐