Crowfoot connections on air hoses shall be wired or otherwise secured to prevent accidental disconnection. Compressed air shall not be used to dust off hands, face or clothing.

气管上的爪型连接件必须用铁丝紧固，或者用其他方式锁定，防止意外泄漏。压缩气体不得用来清除手上，脸上或者衣服上的灰尘。

youdao

Although instantaneous exchange of mind is lonely and accidental in the pressing and thin air, it is a vehicle of ultimate of life. English, just a pretext of being.

在急迫的稀薄空气中瞬间的心灵交流虽然孤寂偶然，也承载了生命的终极意义。英语，其实只是存在的借口。

youdao

Neither oil spillage nor air inclusion during connection and disconnection, is suitable for the harsh environment of high dust, with double security locks to prevent accidental disconnection.

它断开时无遗洒，连接时无空气混入，适合高粉尘的恶劣环境，具有双重安全设置，防止意外断开。

youdao

Pakistan closed the routes in November following a US air raid on a border post that resulted in the accidental deaths of 24 Pakistani soldiers.

BBC: Profile: Hafiz Saeed - Pakistan's $10m 'bounty man'

From a virus's perspective, there will be a single mass of humans, tightly connected by air travel, with plenty of susceptible people to fuel the fire of new plagues, whether natural, accidental or deliberate.

ECONOMIST: Science