题目内容：

英语翻译
DANGER!Do not allow inexperienced technicians to work on the
machine.With all the power switches turned off,there is still line voltage present in the main machine enclosure.The main switch on the rear electrical enclosure has to be in the “OFF” position to disconnect all power.This disconnect switch should be locked and tagged “OFF” when working inside the machine enclosure.
DANGER!Do not modify or adjust the chamber pressure-relief
valve to a pressure setting higher than 60 psig.Do not plug the pressure-relief exhaust port.Pressures in excess of the design rating of the pressure vessel or gas plumbing system may cause an explosion that may cause serious injury or death.

优质解答

危险!不允许没有经验的技术人员在此机器上操作.由於开关已关闭,但是在主导机器的周围还是有电压出现.在电子附件后面的主开关必须保持在"关"的状态,以保证切断所有电源.当有人操作机器时,这个切断的开关应被锁住并且...