How to connect the third-line hay cutter with the second-line knife?

The above three terminals shall be connected to live wires L 1, L2 and L3. The three-wire hay cutter is connected with two-wire cutters, and the phase switch cutters are connected by two-phase electrical connection. Three-phase switch knife is generally used in power equipment. * * * There are six terminals, the upper three terminals are connected to live wires L 1, L2 and L3, and the lower three terminals are connected to live wires. The hay cutter is a kind of Chinese herbal medicine and animal and plant medicine. The latest improvement is mainly to lengthen the handle, evolve the knife bridge, and increase the fixed bench and plastic bottom plate.