短语词组短语compelled signalling 强制发信号;[自]互控信令being compelled 被强制Compelled position 被迫卧位be compelled 受外界迫使compelled provision 强制性条文compelled edge 不可反向边compelled signaling 互控信号方式;互控信令Muhifrequency Compelled 如多频记发器 返回 compelled