角铁安装在花盘上后,如果工作面与主轴平行度超差则在角铁和花盘的接触平面间垫上()加以

题型:单项选择题

问题:

角铁安装在花盘上后,如果工作面与主轴平行度超差则在角铁和花盘的接触平面间垫上()加以调整。

A、垫块

B、铜皮或薄纸

C、平行垫板

D、塞尺

考点:工具钳工考试工具钳工考试题库
题型:单项选择题

鉴别缩窄性心包炎与限制性心肌病最佳的影像方法是

A.X线胸片

B.心血管造影

C.CT

D.MRI

E.超声心动图

题型:单项选择题

The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of counterclockwise), you must indicate whether.

Is integer x divisible by 48 ?()
(1) x is divisible by 16.
(2) x is divisible by 12.

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.

题型:单项选择题

下列日常生活中的变化.属于化学变化的是

A.玻璃破碎    B.酒精挥发    C.冰雪融化     D蜡烛燃烧

题型:单项选择题

中国古代城市建设史上,超过100万人口的城市不包括( )。

A.唐长安

B.西汉长安

C.南朝建康

D.明清北京

题型:单项选择题

金属氧化物避雷器的巡检项目有()。

A.带电测试

B.外观检查

C.红外测温

D.交流耐压

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