!!በኮርሶቹ እስከ ጥር 5/2016 የሚቆይ ታላቅ ቅናሽ አድርገናል!!
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1) Cube and Cylindrical compressive strength of a concrete
• Cube & cylindrical com...
2) Silt Content of a Sand
• Silt content in sand
24 дек 2023