Why does he build one bridge with a capacity of ten tons and another with a capacity of twenty tons?
为什么他建的桥一座承重十吨，而另一座承重二十吨？
Mexico has built 157 km of new highways, nine junctions and one bridge so far this year, it said, adding that a total of 819.2 km of highways were being updated.
交通部表示，今年，墨西哥已经新铺设完成高速公路157公里，新建交通枢纽9个、桥梁1座，并改造升级高速公路819.2公里。
Later, he came to the site for inspection, when the piers of No. One Bridge had been completed and beams were ready to be lifted.
后来在一号桥桥墩全部打完，正在准备上梁的时候，他前来工地视察。
Later, he came to the site for inspection, when the piers of No. One Bridge had been completed and beams were ready to be lifted.
后来在一号桥桥墩全部打完，正在准备上梁的时候，他前来工地视察。
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