Calculation of the Pumping Pressure from Concrete Composition.
Dyfyniad Arddull ChicagoCalculation of the Pumping Pressure From Concrete Composition.
Dyfyniad MLACalculation of the Pumping Pressure From Concrete Composition.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.