post and rail obstacles 木栅障碍
·2,447,543篇论文数据，部分数据来源于NoteExpress
Even if an agreement is reached for China to build and help bankroll a high-speed rail system in California, considerable obstacles would remain.
即使和中国达成了建造高铁系统和帮助提供资金的协议，相当多的阻碍还是会存在。
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