例句與造句

1. Attached to the nc heavy duty vertical lathe is an electrical follow - up device , which is specially designed for accurately machining welding grooves on non - circular thick cylindrical work of variable walls , cone - like work or unequal cone - like work
   摘要數(shù)控重型立車在非圓形變壁厚筒體，錐體，不等錐體上車削焊接坡口時，采用電氣隨動車削裝置加工，達到并提高了加工精度要求。
2. It's difficult to find machine weld in a sentence. 用machine weld造句挺難的