... feed for a farm. 2. FUNCTION CHARACTERISTICA.It adopts double engines drive by power and v type ... to deliver motion, smooth rotation, noise low, drive force huge, reasonable structure and elegant appearance ... feed. C.Feeding machine adopts variable frequency flexible rotation engine to drive, the amount of feed source can ... These bolts are available such as those with the diameter φ2.5, φ3, φ 4, φ5, φ6, ...