[填空题]铝合金熔化极氩弧焊焊接时,气体流量过大,焊缝表面( -我要搜题网

[单选题]无缝线路地段，工区常备钢轨钻孔工具数是(　)。
A.1套/工区
B.2套/工区
C.3套/工区
D.4套/工区
E.略

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[多选题]下列6号线车站中是设备集中站的是（）。
A.尖山路
B.复兴路
C.南何庄
D.天拖

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[填空题]Because of the (improve)______in the road conditions, there have been fewer accidents recently.

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[简答题]三相异步牵引电动机的为何要采用变频变压调速？

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[填空题]文件按其使用范围可分为（）、（）。

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[判断题]( )覆盖空洞最佳的解决方案是增加站点或使用AAU/RRU来覆盖
A.正确
B.错误

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[单选题]原则上应满足“救援人员（）分钟响应到位”要求。
A.15分钟
B.20分钟
C.25分钟
D.30分钟

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[单项选择] Suburb If "suburb" is meant an urban margin that grows more rapidly than its already developed interior, the process of suburbanization began during the emergence of the industrial city, in the second quarter of the nineteenth century. Before that period the city was a small, highly compact cluster in which people moved about on foot, and goods were conveyed by horse and cart. But the early factories, built in the 1830’’s and 1840’’s, were located along waterways and near railheads at the edges of cities, and housing was needed for the thousands of people drawn by the prospect of employment. In time, the factories were surrounded by proliferating mill towns of apartments and row houses around the older, main cities. As a defence against this encroachment, and to enlarge their tax bases, the cities appropriated their industrial neighbors. In 1854 for example, the city of Philadelphia annexed most of Philadelphia County. Similar municipal maneuvers
A. The smell of the factories.
B. The growth of mill towns.
C. The development of waterways.
D. The loss of jobs.

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[多选题]基层党支部要求统一配备、规范使用的“三本”是（）（）（）。
A.支委会记录本
B.党支部会议记录本
C.党小组会议记录本
D.党员学习笔记本

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[单项选择]张某，男，42岁。双上肢痛、温觉障碍，精细触觉和深感觉正常。一侧脊髓丘脑束受损可引起病变平面以下对侧的（）。
A. 痛觉过敏
B. 温度觉减退或消失
C. 触觉消失
D. 振动觉减退或消失
E. 复合觉减退或消失

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[多选题]现场钢构支架、水泥杆堆放应符合( )。
A.地面应平整坚硬
B.杆段下面应多点支垫
C.两侧应掩牢
D.堆放高度不得超过4层

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[单选题]锁闭齿轮圆弧与削尖齿圆弧间隙不得大于（）。
A.0.01mm
B.0.03mm
C.0.05mm
D.0.07mm

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[判断题]矿井发生重大及以上突（透）水事故后，应在恢复生产前重新确定矿井水文地质类型。
A.正确
B.错误

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[简答题]名闻遐迩的“宁波帮”，是宁波人尤其是宁波商人在开展商事活动中逐步形成并发展起来的一种群体称谓。是历史上著名的商帮。请概括出“宁波帮”的三个特点。