Report copyright - Sơn La Provincesonla.gov.vn/SiteFolders/Root/4858/QD so 2022.pdf · 2019. 8. 23. · BT tai chô mác 200, dày 5cm. Bê tông lót dá 4x6 mác 150, dày IOcm; - Sân bê tông:
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