只有美国消防员和维修人员有密码或者特殊的钥匙时，他们才能按按钮加速关门的过程。
Only US firefighters and repairmen can use the buttons to speed up the door-closing process if they have a code or special keys.
禁止使用不符合国家标准或者行业标准的配件或者灭火剂维修消防设施和器材。
It is prohibited to use complementary fire control parts, extinguishant, maintenance and fire control facilities and devices not conforming to the state standards or industrial standards.
尽管这些按键对普通人而言没有作用，但对于使用密码或特定钥匙的消防员或维修人员来说，这些按键能够很好地发挥其作用。
Although these buttons are useless to the average person, they do perform their proper function for fire fighters and maintenance workers but only with a code or designated keys.
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