槽车与液氨罐连接完毕后，应微开相关阀门对系统进行充压，待确认管道、阀门、接口（）后方可进行卸氨操作，开关相关阀门应（）进行。
参考答案：无泄漏；缓慢
From astonished look on his face, I came to realize that he had never thought the performance would turn out to be such great success.
A．the; a
B．the;不填
C．an; 不填
D．an; a
船舶安全检查包括（）。
A.船旗国监督检查
B.港口国监督检查
C.沿岸国监督检查
D.缔约国监督检查
