短語詞組短語pig signaller 清琯器通過標(biāo)牌SHEARING SIGNALLER 剪斷銷信號(hào)裝置scraper signaller 清琯器信號(hào)裝置signaller r 信號(hào)工single signaller 單動(dòng)信號(hào)機(jī)entering station signaller 進(jìn)站信號(hào)機(jī)Rigger and signaller 吊索 返回 signaller