A.11~13B.11.3~13.6C.11.1~13.5D.11.5~13.5
A.單針?shù)忼X形線跡B.雙線鎖式線跡C.單針?shù)忼X形雙線鎖式線跡D.鎖式線跡
A.2~3B.1.5~3C.3~3.5D.1.5~3.5