WARNING. MAKE SURE THAT THE POTABLE WATER SYSTEN IS NOT PRESSURIZED.A PRESSURIZED SYSTEM CAN CAUSE INJURY TO PERSONS.
A.警告：确保饮用水系统未加压，加压系统可能会造成人身伤害 B.注意：确保供应水系统没有压力，加压的系统会造成人身伤害 C.警告.确保整个水系统未加压，加压系统可能会造成人身伤害正确答案A
WARNING. MAKE SURE THAT THE POTABLE WATER SYSTEN IS NOT PRESSURIZED.A PRESSURIZED SYSTEM CAN CAUSE INJURY TO PERSONS.
A.警告：确保饮用水系统未加压，加压系统可能会造成人身伤害 B.注意：确保供应水系统没有压力，加压的系统会造成人身伤害 C.警告.确保整个水系统未加压，加压系统可能会造成人身伤害正确答案A
