负压原油稳定装置中，螺杆压缩机出口温度的操作范围应为（）℃。
A.126~146
B.132~157
C.138~164
D.140~168
参考答案：B
已知N=1.6 ×106，则N是一个（ ）位整数。
---Are you the same weight as Tom? ----No,I am not _____ Tom.
A as same heavy as B,as same as C.so heavy as D.the same heavy as
