A.0.01MPa≤P≤0.2MPa,属于中压B
B.0.2MPa≤P≤0.4MPa,属于中压A
C.0.4MPa≤P≤0.8MPa,属于次高压B
D.0.8MPa≤P≤1.6MPa,属于次高压A
E.2.5MPa≤P≤4.0MPa,属于高压A
A.0.8MPa<P≤1.6MPa
B.0.4MPa<P≤0.8MPa
C.0.2MPa<P≤0.4MPa
D.1.6MPa<P≤2.5MPa
A.次高压A级燃气管道
B.高压B级燃气管道
C.C次高压B级燃气管道
D.C次高压B级燃气管道
A.小于
B.大于
C.不小于
D.不大于
A.0.4
B.0.5
C.0.3
D.1
A.0.5m∽5m
B.1.5m∽15m
C.2.5m∽25m
D.5m∽50m
A.0.5m
B.1.5m
C.2.5m
D.5m