多项选择题

110kV配电装置中管形母线采用支持式安装时，下列哪些措施是正确的？（）

A.应采取防止端部效应的措施
B.应采取防止微风震动的措施
C.应采取防止母线热胀冷缩的措施
D.应采取防止母线发热的措施

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听力原文：M: Excuse mE.Is this road to Turner's Street?W: Yes.M: Is it very far from here?W: No, not very far. About ma hour's walk.M: Are there any buses going there?W: Oh, yes, but the buses don't come very often. Only about 4 times a day.M: When does the next bus come along?W: Not until half past seven. You will arrive there if you walk.M: Well, thank you. I'd better walk. I can't wait an hour and a half for a bus.Where is the man?A.On his way to Tumer's Street.B.In a bus to Turner's Street.C.At the bus stop.

A.M:
B.
M:
C.
M:
D.
M:
E.
Where
F.On
G.
B.In
H.
C.At
I.

多项选择题

关于水电厂厂用变压器的型式选择，下列哪几条是正确的？（）

A.当厂用变压器与离相封闭母线分支连接时，宜采用单相干式变压器
B.当厂用变压器的安装地点在厂房内时，应采用干式变压器
C.选择厂用变压器的接线组别时，厂用电电源间相位宜一致
D.低压厂用变压器宜选用Yyn0连接组别的三相变压器

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