【单选题】
消防水带按承受工作压力可分为()水带。
A、0.7MPa,0.6MPa,1.2MPa,1.5MPa
B、0.8MPa,1MPa、1.3MPa,1.6MPa
C、0.9MPa,1.1MPa,1.4MPa,1.7MPa
D、1MPa,1.2MPa,4.5MPa,1.7MPa
A、0.7MPa,0.6MPa,1.2MPa,1.5MPa
B、0.8MPa,1MPa、1.3MPa,1.6MPa
C、0.9MPa,1.1MPa,1.4MPa,1.7MPa
D、1MPa,1.2MPa,4.5MPa,1.7MPa