Cement Content
แปลว่า(Concrete Engineering) A quantity of cement contained in a unit volume of concrete or mortar, ordinarily expressed as pounds, barrels, or bags per cubic yard.
หรือคุณกำลังค้นหา Cement Content, barrel winding, barrel-back chair, barrel in, barrel vault roof, Barrel (of cement), barrel, barrel vault, Ball Burnishing, organ-grinder