lock switch meaning in English

带锁开关
钥匙开关

And door lock switch group
及门锁开关总成
You should only turn on statement and lock switches as needed due to their overhead
但通常，您只需打开语句开关和锁开关。
External - locked switch system designed by our institute won the standard design gold medal of the fourth national excellent projects
我院设计的外锁闭道岔系统荣获全国第四届优秀工程标准设计金奖。
Programmable alphanumeric keyboard , 120 programmablekeys , mechanical key lock switch , wedge interface , ps2 if cable , daisy chain ports , manual , utility software
编程键,金属电子锁,楔入式ps2介面, if线,连环线插,编程软件