83m2脱硫液氨罐设计压力为2.2Mpa,按工作压力分类应为()压力容器。
参考答案:中压
Just in front of our house ______ with a history of 1000 years.
A.does a tall tree stand
B.stands a tall tree
C.a tall tree is standing
D.a tall tree stands
当一个接入单元满配IPP板时,提供最大的端口数是().