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The programming highway from Huogeqi mining area to Qingshang town is a canonically line project in the semiarid region.
拟建的内蒙古获青公路是半干旱山区线路工程的典型代表。
youdao
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The programming highway from Huogeqi mining area to Qingshang town is a canonically line project in the semiarid region.
拟建的内蒙古获青公路是半干旱山区线路工程的典型代表。
youdao