... of teminal for transverse brdge connection, and screw head with insulated ring, which is dived into 2-digit, 3-digit, ... in 10 digitCross connection adaptor: in 10 digit, detachable, with 10 screws, for cross connection by overleaping some terminalsInsulating space ... adjacently to common terminal, it can offset error betweenlayers, with thickness of 2.5mmCompensation header when laid adjacently to ...