main line guide block[机] 干线导向滑轮
line control block线路控制块;[计] [通信] 线路控制分程序;翻译;线路控制块英语
LCB Line Control Block线路控制块
grease line junction block润滑脂润滑管线连接体
Water line connect block串水连接块
pseudo line control block伪线路控制块
line bull block machine直线式单头大拉机
in line crown block单轴天车
line a block线路码组
N（名词） a letterpress printing block made by a photoengraving process without the use of a screen 线条凸版; 不使用屏幕，由照相凸版印刷程序制成的凸版印刷机的凸印版