1、拉线开关
...Cord relay circuit 塞绳继电器Cord switch 拉线开关Cord 绳索，弦线，线，缆；软线，塞绳；导火线；层积（木材体积单位，等于128立方英尺） ...
2、绳开关
... cord pendant 电灯吊线 cord switch 绳开关 cord 接电绳 ...
3、拉绳开关
... 换向开关(reverser) 拉绳开关(拉线开关)(cord switch) 限位开关(行程开关)(limit switch) ...
cord electronic switch拉线电子开关
TRIP CORD EMERGY SWITCH急停开关
Thru cord switch串在电线中的开关
cord switch board塞绳交换机
Pull cord switch拉绳开关动作;拉绳开关;拉线开关
proof cord switch瓷防水拉线开关
cord-operated switch拉线开关
microphone cord switch传声器开关