7 年前
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Massive machines require engineering extremes. The massive man-made satellite, commonly known as the International Space Station, hurtling around the Earth at 27,600 km an hour, has been a temporary home for humans for the last 20 years. The biggest land vehicle on earth, a bucket excavator titled Bagger 293, that can move 240,000 cubic meters of dirt each day. Innovation has a...。小伙子严格一直暗恋着美丽的同事笑笑，下个月就是笑笑生日，打算给她个惊喜的严格网购了笑笑一直心仪的一款包包。笑笑喜欢研究彩票，没事就喜欢买张彩票，这天严格托笑笑也给他代购一张彩票，想不到竟然中奖了，可是那张小小的彩票却不翼而飞……。
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