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【多选题】
下列关于管壳式换热器的描述中,错误的是:()
A.
管壳式换热器结构简单、紧凑、能承受较高的压力。
B.
管壳式换热器适用于壳侧介质清洁且不易结垢并能进行清洗的场合。
C.
管壳式换热器适用于管、壳程两侧温差较大或者壳侧压力较高的场合。
D.
在管壳式换热器中,当管束与壳体的壁材料的线膨胀系数相差不大时,壳体和管束中将产生较大的热应力
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参考答案:
举一反三
【多选题】下列关于“产品结构线”说法正确的有()
A.
结构线有没有对产品而言并不重要
B.
产品结构线实际上不是一条线段,而是产品部件组合后形成的一条间隙或缝隙
C.
在产品表现图中,结构线有粗细深浅的不同
D.
产品结构线是一种装饰线
【单选题】What was grandmother's attitude towards the boy's inquisitive personality?
A.
She was quite annoyed because the boy always asked her to tell stories.
B.
She was too sad to remember the family's past in Europe.
C.
She was fairly happy to stay with the boy and told him about the family's past.
D.
She was highly curious to know why the boy wanted to know the family's past.
【单选题】社会科学研究主要有( )范式、解释范式和批判范式三大类型( )
A.
实证;
B.
人文;
C.
定性;
D.
定量
【单选题】She was quite about why she left her hometown.
A.
extensive
B.
extra
C.
extreme
D.
explicit
【简答题】At the age of 16, Clara Barton was advised to become a teacher, since she was quite shy. She taught in Massachusetts for ten years, and was invited to Bordentown, New Jersey, to teach in a private sch...
【单选题】Although she was not very rich, she was quite ____ with her money.
A.
noble
B.
flexible
C.
liberal
D.
capable
【单选题】Although she was not very rich, she was quite with her money.
A.
noble
B.
flexible
C.
liberal
D.
liable
【单选题】Although she was not very rich, she was quite ____ with her money.
A.
noble
B.
flexible
C.
liberal
D.
lively
【单选题】某女,25岁。发现心悸、盗汗、易怒1年,伴有饮食量增加、消瘦。查体:BP 110/80mmHg,重度突眼,甲状腺弥漫性肿大,深入胸骨后上纵隔内,P 116次/分。测血T3、T4值高于参考值上限一倍。 该患者诊断是 ( )
A.
Graves病
B.
高功能腺瘤
C.
结节性甲状腺肿
D.
亚急性甲状腺炎
E.
慢性淋巴细胞性甲状腺炎
【判断题】抛光还原结束后,漆面要无细微划痕、无光晕,达到光可照人的程度。
A.
正确
B.
错误
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