有的压力表表壳背面有个小圆孔,是起什么作用的?

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问题:

有的压力表表壳背面有个小圆孔,是起什么作用的?

考点:天然气净化操作工考试天然气净化操作工中级天然气净化操作工中级题库
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Edward Estlin Cummings was a poet well-known for how he wrote his poems He wrote his poems with capital (大写的) letters in the words . For example, the title of one of his poems is “The little horse is newlY” The “Y” is a capital letter. He also used “i” instead of “I” to refer to himself in the poems.

Edward was born on October14, 1894 in Cambridge, Massachusetts. Edward’s father was also named Edward. Young Edward’s mother was named Rebecca. She loved to spend time with her children. She also taught Edward Jr how to write poems. Edward’s sister was born 1896 and her name was Elizabeth. Edward’s father was the first professor of Sociology at Harvard University. He later became the minister of one of Boston’s respected churches. He was the one who taught his son to use his hands as well as his mind. Edward Jr used his hands to paint abstract art.

E.E.Cummings was a very smart boy. Edward was 12 when he became a freshman in high school. He loved circuses, ballets, music and amusement parks.

Edward graduated from Harvard in 1916. During World War I , he joined the army and was sent to France where he drove an ambulance. He and his friend from Harvard were arrested because people thought they were German spies. They were kept in one room where they slept , ate , talked and tried to deal with their fears and boredom. Edward wrote his first book, published in 1922, called The Enormous Room, based on his wartime experiences.

E.E.Cummings was a poet that made his own rules in poetry. He was one of the most popular poets of the 20th century.

小题1:Which is a special feature of E.E.Cummings’ poems?

A.Their titles are all written with capital letters.

B.A special capital letter is used in them to refer to the writer.

C.He used “Y” to refer to “you”.

D.He used letters in a special way in them小题2:What’s the second paragraph mainly about?

A.Edward’s schooling

B.Edward’s parents

C.Edward’s family

D.Edward’s childhood.小题3:E.E.Cummings was arrested in the war because ___________.

A.he went to France without permission

B.he looked like a Frenchman

C.he was thought to be German agent

D.he drove away a car that belonged to the army

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下列关于标高标注说法错误的是()

A、标高是标注建筑物高度的一种尺寸标注形式

B、标高包括相对标高和绝对标高两种

C、建筑物底层地坪高度是相对标高的零点

D、标高数字一般保留四位小数

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逍遥散中配伍薄荷的用意是()

A.疏肝散热

B.散肝舒脾

C.升发清阳

D.行气疏肝

E.清利头目

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适用于拱桥的重力式桥台由()组成。

A.台身、拱座、侧墙或八字墙、台背排水

B.台身、盖梁、耳背墙

C.台身、台帽、侧墙或八字、台背排水

D.台身、盖粱、耳背墙、锥坡

题型:问答题 简答题

对管道漏水应采取的措施是预制管时,接口应养护好。地下管道施工完毕,回填土应进行分层夯实,必须采用原土,冬季施工做完闭水试验后,及时放净水,以免冻裂管道造成通水后漏水。( )

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