operating head的用法和樣例：
例句
- When it shuts off the gas to the burner, some trouble with the operating controls is indicated.
當這種裝置關(guān)閉通向燃燒頭的燃氣時(shí)，操作控制裝置將會(huì )顯示出現故障。 - The punch can automatically move transversely,enabling very good operating visual field,safety and reliability.
沖頭可自動(dòng)橫移，操作視線(xiàn)極佳，安全可靠。
