hat
(3) Kalkile fòmil pou valè a nan mas (kg / m): 304 / L [W = 0.02491t (DT)], 316 / L [W = 0.02507t (DT)]
eng
(3)Calculating formula for the value of mass (kg/m):304/L[W=0.02491t(D-t)], 316/L[W=0.02507t(D-t)]