1440| 8
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求問(wèn)一種螺旋推動(dòng)物體的結(jié)構(gòu) |
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點(diǎn)評(píng)
12,、13,、18
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點(diǎn)評(píng)
https://roll.sohu.com/a/620915787_121123775
這個(gè)呢,?
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點(diǎn)評(píng)
【【官方雙語(yǔ)】維爾茨螺旋泵:一種利用氣鎖的水泵】 https://www.bilibili.com/video/BV1Xu411M7o7/?share_source=copy_web&vd_source=e46c217f8f4cc88e71f8d4c9b8da3225
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