装运危险货物的罐（槽）应配备泄压阀、防波板、遮阳物、压力表、液位计、导除静电等安全装置
参考答案：对
Ladies and gentlemen, please remain __________ until the plane has come to a complete stop.
A．seated
B．seating
C．to seat
D．seat
不属于前列腺癌放疗后并发症的是（）
A.直肠出血
B.肛门狭窄
C.膀胱炎
D.放射性肾炎
E. * * 狭窄
