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避雷针焊在()或()处。
肾绞痛的常见病因为()。
为什么将细菌的细胞核通常称为核质体、核区或拟核。
在事故分析中,顶上事件可以是已发生的事故,也可以是预想的事故。通过分析找出原因,采取对策加以控制,从而起到预测、预防事故的作用。
我国现存最早的儿科学专著是()。
DBS的体系结构,按照ANSI/SPARC报告分为__(1)__;在DBS中,DBMS的首要目标是提高__(2)__;为了解决关系数据库的设计问题,提出和发展了__(3)__;对于DBS,负责定义DB结构以及安全授权等工作的是__(4)__。空白(2)处应选择()
消防水泵控制柜的基座其水平度误差不大于( ),并应做防腐处理及防水措施。
下列错误论述甲类基本医疗保险药品的是()
一次性发现假人民币金额()元(含)以上的,需及时上报分行安全保卫部门。
行走在轨道上的起重机车轮前应装()。
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The officer of the watch()a good lookout on the bridge.
The second officer will take()the watch soon.
THE OFFICER WHO RELIEVING THE WATCH SHOULD CONFIRM AND SAY().
A qualified deck officer should be()the watch.
THE MASTER OR AN OFFICER SHOULD HANDING OVER THE WATCH SHOULD SAY().
THE MASTER OR AN OFFICER SHOULD HANDING OVER THE WATCH SHOULD SAY().
A qualified deck officer should be()the watch.
THE OFFICER WHO RELIEVING THE WATCH SHOULD CONFIRM AND SAY().
The officer in charge of the engineering watch shall ensure that all machinery i...
A journal kept by the officer of the watch in which day to day happenings are re...