linety直线性linen.线；界线；皱纹；路线；航线；行；台词；行业；绳子；家族v.排队；画线；加衬里line state variable线状态变量lineation structure线理构造,线状构造line control system车道控制line control memory线路控制存储器line form of bridge线形line service center线路维护中心line boring machine钻轴机line tracing router光电追踪程序linea parasternalis胸骨旁线line of singularity奇异线