自动化仪表设备的安装位置应按设计规定施工，当设计文件未具体明确时，应符合（）要求。

A.操作和维护方便的位置 

B.便于观察示值的位置 

C.能真实反映输入变量的位置 

D.有腐蚀性气体的位置 

E.有强电磁场干扰的位置

It is not enough to ensure that the suppliers provide value for money; the governmental buyer must enter into a dialogue with the suppliers to ensure as far as possible that the form of the procurement is persisted to the enhancement of the supply industry’s global competitiveness.

A．cooperative with

B．consistent with

C．cooperative in

D．consistent in