jual grating galvanis No Further a Mystery
ρ: the fabric density as well as device is kilogram for each cubic meter (kg/m3) as well as the steel substance density is 7850 kg/m3;Pemasangan steel grating biasanya dilakukan pada saluran air di region terbuka, seperti jalan raya dan stadion. Desain steel grating yang berlubang memungkinkan air dapat langsung masuk ke dalam saluran drainase mel