活塞环损坏
活塞紧固螺栓松动
十字头滑履磨损或松动
介质气体中带液较多
案件当事人
上一级消防救援机构负责人
消防救援机构负责人本人
办案人员
The right combination of bricks, mortar
and plaster can be mixed to build a city, but it is the city’s people who add
that extra dimension which makes it vibrant, memorable, famous and much-visited.
London is such a city, and a major exhibition about its people makes this point
by pulling together paintings, drawing and prints by artists over the centuries
to show Londoners from all walks of life and in all manners of setting. The
capital’s renowned old markets, most now gone, like Covent Garden and
Billingsgate, captured the eye of painters because of the extraordinarily
disparate range of characters mingling together. Processions and ceremonial
events were popular subjects, although many artists were inspired by the
individuals they saw: the street traders, laborers, merchants, craftsmen,
society folk, ser A. the city itself B. its inhabitants C. the buildings D. the markets [单选题] 渣油加氢装置在建立润滑油系统时,润滑油箱的油温不得低于( )℃。
A.15 B.25 C.35 D.45 [判断题]电火花、电弧的温度很高,不仅能引起可燃物燃烧,还能使金属熔化、飞溅,构成危险的火源。()
A.正确 B.错误 [单项选择]子宫内膜癌早期最常见的临床表现()
A. 绝经后阴道不规则流血 B. 阴道排出大量脓血性分泌物 C. 宫腔积脓 D. 下腹疼痛 E. 低热 [单选题]列车分部运行,机车进入区间挂取遗留车辆时,应从车列前方距离不少于( )处防护。
A.200m B.300m C.400m D.800m [单选题]在短路故障发生后的半个周期内,将出现短路电流的最大瞬时值,它是检验电气设备机械应力的一个重要参数,称此电流为( )。
A.暂态电流; B.次暂态电流; C.冲击电流; D.短路电流。 我来回答: 提交
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