单词	pointer arm
释义	pointer arm 指示器
随便看	relay intercropping Relay intercropping cotton with wheat relay interface relay interlocking relay interlocking control pane relay interlocking control panel relay interlocking device Relay interlocking for large station Relay interlocking for small station relay interlocking frame relay interlocking machine relay interlocking signal box relay interlocking tower relay interrupter relay inverse time relay jack relay J-Horner relay junction box relay just-release value relay key relay ladder logic relay ladder program relay lamp relay layer relay lei