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業(yè)務(wù)領(lǐng)域

Business area

公路工程

公路工程是指公路構造物的勘察、測量、設計、施工、養護、管理等工作。 公路工程構造物包括:路基、路面、橋梁、涵洞、隧道、排水系統、安全防護設施、綠化和交通監控設施,以及施工、養護和監控使用的房屋、車(chē)間和其他服務(wù)性設施。

中文少妇按摩久久高潮-中文字幕视频一区人妻-亚洲无码2020每日更新-国产高清不卡一二三区
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