excavation method အေၾကာင္းအရာေတြထဲ႔က Top-Down Construction Method အေၾကာင္း ေလ့လာရသေလာက္ update လုပ္ၿပီ part -1 အရင္shareလိုက္ပါတယ္။
ယဥ္ေဝေအာင္
Monday, November 20, 2017
Excavation Note ( Top-Down Construction Method)
excavation method အေၾကာင္းအရာေတြထဲ႔က Top-Down Construction Method အေၾကာင္း ေလ့လာရသေလာက္ update လုပ္ၿပီ part -1 အရင္shareလိုက္ပါတယ္။
ယဥ္ေဝေအာင္
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