11883| 25
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誰能設(shè)計(jì)一個(gè)摘花生的機(jī)器 |
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點(diǎn)評(píng)
成熟花生是長(zhǎng)在地下的,,需要先把花生從地下連根一塊挖出來,才能從花生根上摘下來
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