荷兰现世界第一座3D打印大桥！载重40辆卡车
<p><span word="If">If</span> <span word="you">you</span>'<span word="re">re</span> <span word="one">one</span> <span word="of">of</span> <span word="those">those</span> <span word="people">people</span> <span word="who">who</span>, <span word="whenever">whenever</span> 3<span word="D">D</span> <span word="printing">printing</span> <span word="is">is</span> <span word="mentioned">mentioned</span>, <span word="thinks">thinks</span>, "<span word="How">How</span> <span word="the">the</span> <span word="heck">heck</span> <span word="does">does</span> <span word="that">that</span> <span word="work">work</span>?", <span word="then">then</span> <span word="we">we</span> <span word="suggest">suggest</span> <span word="you">you</span> <span word="look">look</span> <span word="away">away</span> <span word="now">now</span>.</p><p>如果你对3<span word="D">D</span>总是感到不可思议“这怎么可能？”，那么还是不要看这篇文章了。</p><p><span word="Still">Still</span> <span word="here">here</span>? <span word="Well">Well</span>, <span word="don">don</span>'<span word="t">t</span> <span word="say">say</span> <span word="we">we</span> <span word="didn">didn</span>'<span word="t">t</span> <span word="warn">warn</span> <span word="you">you</span> <span word="because">because</span> <span word="your">your</span> <span word="mind">mind</span> <span word="is">is</span> <span word="about">about</span> <span word="to">to</span> <span word="be">be</span> <span word="totally">totally</span> <span word="blown">blown</span> <span word="by">by</span> <span word="what">what</span> <span word="we">we</span>'<span word="re">re</span> <span word="going">going</span> <span word="to">to</span> <span word="say">say</span> <span word="next">next</span>: <span word="someone">someone</span> <span word="has">has</span> 3<span word="D">D</span> <span word="printed">printed</span> <span word="a">a</span> <span word="bridge">bridge</span> <span word="that">that</span> <span word="can">can</span> <span word="take">take</span> <span word="the">the</span> <span word="weight">weight</span> <span word="of">of</span> 40 <span word="trucks">trucks</span>.</p><p>亲爱的读者朋友还在吗？我们已经提醒过咯，接下来你的想法将被彻底颠覆：有人用3<span word="D">D</span>打印技术造了一条桥，能承载40辆卡车的重量。</p>
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