Cleaning, demolition or maintenance for the former, turn off the air and spray material input valve, pull the trigger removal of the air and liquid pressure.

在清洗、拆卸或保养维护前，喷涂机关掉空气和喷涂材料的输入阀，扣动扳机卸掉空气和液体压力。

youdao

The paper presented the application of rotary spray and pressure spray in largescale production of white carbon. It also presented process layout, hot air disperser and typical operated parameters.

根据生产实践经验，介绍离心喷雾和压力喷雾干燥设备在大型白炭黑生产线中的应用，介绍几种不同的流程布置，热风分布装置及系统典型操作参数。

youdao

When air pressure is not available at location, do not allow to use propane or gas substitute for air, for blowing out lines or for spray painting or for air hoists.

当井场无充气条件时，不能使用丙烷或天然气代替空气进行扫线、喷漆或启动气动绞车。

youdao

We had considered making a cannon that used ignited hair spray as a propellant but after a bit of research discovered that air pressure was far more effective.

FORBES: The Supersonic Ping-Pong Gun