B.D. Part-9|| Dog-Legged Staircase,Plan & Sectional Elevation|| For Deploma 2nd Year Students.

B.D. Part-9|| Dog-Legged Staircase,Plan & Sectional Elevation|| For Deploma 2nd Year Students.

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B.D. Part-10|| Dog-Legged Staircase,Plan & Sectional Elevation|| For Deploma 2nd Year Students.
ภาพตัวอย่างวิดีโอ
B.D. Part-9|| Dog-Legged Staircase,Plan & Sectional Elevation|| For Deploma 2nd Year Students.