下列哪项不会造成酸液缓冲罐罐底泵憋压（）。
A.流程未导通
B.安全阀起跳
C.Y型过滤器堵塞
D.装车返回气接头未打开
参考答案：B
_______achievement,China was a great success in launching Chang'eⅡ. [ ]
A. In case of
B. In terms of
C. As a result of
D. In face of
击晕现象
