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[单选题]
根据《1000kV架空送电线路工程施工质量检验及评定规程》,自立式铁塔组立质量等级评定标准及检查表中,螺栓紧固率允许偏差为组塔后()、架线后()。
A.≥85%,≥87%
B.≥88%,≥90%
C.≥93%,≥95%
D.≥95%,≥97%;
查看答案
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A.≥85%,≥87%
B.≥88%,≥90%
C.≥93%,≥95%
D.≥95%,≥97%;
A.0.02
B.0.018
C.0.016
D.0.014
A.100
B.80
C.60
D.40
A.100
B.200
C.150
A.±2.5%
B.+2.5,-0%
C.+1%,-0%
D.±1%
A.2-3m
B.2-2.5m
C.1.5-2m
D.1.5-2.5m
A.110kV
B.220kV
C.330kV
D.500kV
A.1.5
B.2
C.2.5
D.3