A.可把細(xì)導(dǎo)線線頭在粗導(dǎo)線線頭上緊密纏繞5~6圈 B.彎折粗線頭端部,使它壓在纏繞層上 C.再把細(xì)線頭纏繞3~4圈,剪去余端,鉗平切口即可
A.2910r/min B.3000r/min C.1500r/min
A.45~65A B.40~65A C.50~70A