A.0.75mm B.1.5mm C.1mm D.2mm
A.1.5mm-1.5mm-1.5mm B.1.5mm-14mm-1.5mm C.14mm-1.5mm-1.5mm D.14mm-1.5mm-14mm
A.韶山3 B.韶山6 C.韶山7 D.韶山8