干拢 meaning in English

trouble

Road vehicles ; interference - suppression filters ; dimensions for mounting and connecting
道路车辆.抗干拢抑制滤波器.安装和连接尺寸
Railway fixed equipment and rolling stock . electromagnetic disturbances . determination and measurement of screening factor with a frequency of 50 hz of railway signalling and telecommunication cables
铁路固定设备和车辆.电磁干拢.铁路信号和电信电缆50赫兹频率的屏蔽系数的确定和测量