treadle
特殊用法brake treadle1.■闸踏板electric treadle1.■轨道接触器, 电气踏板electromagnetic treadle1.■电磁式接触器, 电磁式踏板electromechanical treadle1.■机电式接触器, 机电式踏板lathe treadle1.■车床踏板limit treadle1.■限界检查器, 超限界接触器mechanical replacement treadle1.■信号复原机械接触器, 信号复原机械踏板mercury treadle1.■水银接触器, 水银踏板rail [track] treadle1.■轨道接触器, 轨道踏板weighing treadle1.■衡重踏板wheel-operated treadle1.■车轮踏板, 车轮接触器
考试词汇表
