What is the ratio of C20 concrete?

What is the ratio of C20 concrete?


C20: cement strength: 32.5mpa; cement surplus coefficient of pebble concrete: 1.00; maximum particle size of coarse aggregate: 20mm; Tarot degree: 35 ~ 50mm; material consumption per cubic meter: water: 190; cement: 404; sand: 542; stone: 1264; mix proportion: 0.47:1:1.342:3.129; sand ratio: 30%; water cement ratio: 0.47