The utility model discloses a water spray device for dripping and maintaining concrete on a high pier.
本实用新型公开了桥梁高墩滴水养护混凝土的喷水装置。
When objects require spray coating or spray welding, the user can close the high-pressure oxygen gas valve and open the powder feeding valve (4), so the hot spray device can work.
当需要喷涂或喷焊时,关闭高压氧阀,打开送粉阀(4),热喷涂装置即可工作。
The utility model USES the water spray device to clean the adhesive materials on the rotator of fan.
本实用新型的装置通过水喷淋装置对风机转子粘结物进行清理。
The fire extinguishing gas spray device has an annunciator (53) that issues an alarm based on a fire occurrence signal or an earthquake occurrence signal from a disaster alarm device.