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【简答题】
阅读管板零件图,回答下列问题 1. 该零件的名称为 ______ ,材料为 ________ ,比例为 ______ ,属于 ___ 类零件。 2. 该零件的主视图采用了 ___ 剖视 ; 左视图采用了 _____ 画法,以表示直径相同且成规律分布的,其中直径为 25.5 的管 ______ 个,直径为 16 的有 ______ 个 ; 另外两个图分别是 ____ ______ 和 _________ ________ 。 3. 此零件上有 __ 个螺纹,其尺寸为 ____ 含义为 ____________ ______________ ;其细部结构在 _____ 图上表示,采用比例为 ______. 4. 管的细部结构在 ___________ 图上表示,采用比例为 _____. 5. 管板上∅ 25.5 管的定位尺寸为 ___________, ∅ 16 安装的定位尺寸为 ______. 6. 管板多数表面粗糙度为 _________ 。 7. 该零件的外形尺寸为 __________ ,其右端面有 _______ 和 _____ 结构。 8. 试给该零件制定出合理的技术要求 。
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举一反三
【单选题】What did the author say about her own writing experience?
A.
She did not quite live up to her reputation as a writer.
B.
Her way to success was full of pains and frustrations.
C.
She was constantly under pressure of writing more.
D.
Most of her stories had been rejected by publishers.
【单选题】What did the author do with the students found dishonest?
A.
He reported them to the headmaster.
B.
He lectured them hard on honesty.
C.
He had them take notes before lunch.
D.
He helped improve their writing skills.
【单选题】What did the author feel surprised when he began to play eSports?
A.
high speed with which people can control their hands while at the same time keeping such a high level of critical thinking
B.
run faster than a train while driving a minivan
C.
solve a math equation while driving a minivan
D.
evaluate certain situations and keep cool under pressure
【单选题】What did the author learn about Russians before he visited Russia?
A.
They are very polite.
B.
They are frank and romantic.
C.
Their behavior is usually very different.
D.
They are very hospitable.
【简答题】PICC穿刺首选 静脉。
【单选题】What did the author realize when he re-entered the corporate world?
A.
Making new friends with his workmates was not as easy as he had anticipated.
B.
Cultivating positive interpersonal relationships helped him expel solitary feelings.
C.
Working in the corporate world requires more interpersonal skills than self-employment.
D.
Building close relationships with his colleagues was not as important as he had ejected.
【单选题】What did the author realize when he re-entered the corporate world?
A.
Making new Mends with his workmates was not as easy as he had anticipated.
B.
Cultivating positive interpersonal relationships helped him expel solitary feelings.
C.
Working in the corporate world requires more interpersonal skills than self-employment.
D.
Building close relationships with his colleagues was not as important as he had ejected.
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