During an abandonment or drill,the first person to arrive at the survival craft should().
A. pass out food and water to personnel
B. open the doors and start the sprinkler system
C. activate the emergency release handle
D. open the doors and prepare the craft for boarding
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下列所述哪项与大量心包积液X线征象不符()。
A. 卧位透视时见心底阴影增宽
B. 心脏普遍增大,心缘各弧消失
C. 多数患者见明显肺淤血改变
D. 心脏搏动减弱或消失
E. 心影大小短期内可明湿改变
代理服务器防火墙(应用层网关)不具备入侵检测功能。
A. 正确
B. 错误
C76型车钢结构浴盆腐蚀深度大于30%或纵向裂纹长度不大于()mm时焊修。
A. 50
B. 80
C. 100
D. 150