The remote control for a fixed fire exting
题型:单项选择题
问题:
The remote control for a fixed fire extinguishing system should be().
A.painted red and labeled
B.concealed from the crew
C.protected by plexiglass
D.padlocked
The remote control for a fixed fire extinguishing system should be().
A.painted red and labeled
B.concealed from the crew
C.protected by plexiglass
D.padlocked