4TG2zcem430 v.huanqiu.comarticle国产最大盾构机成功下线/e3pmh2fmu/e3pn61vrg<article><section data-type="rtext"><p><video controls src="https://v6.huanqiucdn.cn/4394989evodtranscq1500012236/d03535c85001834820993079447/v.f100830.mp4" data-alt="" poster="https://v6.huanqiucdn.cn/4394989evodtranscq1500012236/d03535c85001834820993079447/sampleSnapshot/sampleSnapshot_10_0.jpg?imageView2/2/w/1260"></video></p><p>近日，我国自主研制的最大直径盾构机在郑州下线。直径16.68米，约五层楼高的盾构机，整机长125米，重约4800吨。面对复杂多变的地质条件，它兼顾高效掘进与施工安全，硬核实力再突破。</p></section></article>1789701918947责编：花争<a href="https://weibo.com/2656274875/RippryW8I" >央视新闻微博</a>178970191894711[]//img.huanqiucdn.cn/dp/api/files/imageDir/d5cd45c28d0776803089108e2c834dfeu5.jpg{"email":"huazheng@huanqiu.com","name":"花争"}