压力容器的( )是指在相应温度下用以确定容器壁厚的压力。
A.最高工作压力
B.最大允许压力
C.设计压力
D.操作压力
参考答案:C
Even though the producer surplus increases under a monopoly scenario, relative to one of perfect competition, the consumer surplus :()
A. decreases by a lesser amount.
B. decreases by a greater amount.
C. decreases by an equal amount.
任何情况下,绝缘电阻不得低于每伏工作电压()欧,并应符合专业标准的规定。
A.100
B.200
C.500
D.1000