锅炉试水所用热水为何不能超过60℃?

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问题:

锅炉试水所用热水为何不能超过60℃?

考点:管道工考试中级管工考试中级管工考试题库
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Beijing is the c小题1:of China. It is an old c 小题2:  and there are lots of places of i 小题3:  in Beijing. You know the emperors of Qing Dynasty lived in the Palace M 小题4: . You can walk s 小题5:  around the big lake and feel the b 小题6:  of the old park in the Summer Palace. You can also drink s 小题7:   Beijing tea in Laoshe Tea House. It is also a m 小题8:   city, you can visit the big s 小题9:   in Wangfujing Street and you can travel to the World Park by u  小题10:  .

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以下属于治疗性手术的是

A.直肠癌的结肠造口术

B.胃大部切除术

C.淋巴结活检术

D.重睑手术

E.食管癌的胃造口术

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347×69+653×31+306×19=( )

A.100000

B.75000

C.50000

D.45800

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如何确定塑件的抽芯距?

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在与人相处中,要尽量做到替别人着想,力求有利于他人,有利于社会,使自己的行为能够给他人和社会带来有益的结果,这是()。

A.小生产者的道德要求

B.为人民服务的道德要求

C.合理利已主义的道德要求

D.社会各阶级普遍的道德要求

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