中继阀膜板鞲鞴右侧与列车管相通的缩孔直径过大,将使中继阀的工作状态()
A、不稳定
B、上升
C、下降
D、稳定
参考答案:A
—I’m sorry. That wasn’t of much help.
— ________. In fact, it was most helpful.
A.Thanks anyway
B.It doesn’t matter
C.Of course not
D.Sure it was
()是公司的法人代表。
A.董事长
B.总经理
C.执行董事