短語詞組短語emergency engine stop 緊急停車掣emergency y stop button 緊急止動按鈕emergency y stop 異常停止emergency -stop 斷流閥emergency y stop valve 緊急止流閥;防火開關emergency laser stop 緊急激光終止器emergency log stop 應急疊梁閘門emergency y stop switch 緊急停機掣 返回 emergency stop