不属于压力容器主要受压件的是（）。
A.人孔盖
B.人孔接管
C.换热器管板
D、M36以下的设备主螺栓
参考答案：D
All disputes ______ or in the execution of this contract shall be amicably settled through negotiations.
A．with connection to
B．in connection with
C．by connection of
D．of connection for
临时性爆破器材库储存的雷管最大储存量为（）。
A.2000发
B.5000发
C.8000发
D.10000发
