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... 想看更多的未知相關(guān)巨無(wú)霸機(jī)械工程,請(qǐng)關(guān)注我們的網(wǎng)站:www.usbspeaker.cn
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