题目内容
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[单选题]
FTTH皮线光缆敷设规范要求,一般情况下,蝶形引入光缆敷设时的瞬间最大牵引力不得超过光缆允许张力的()
A.70%
B.80%
C.90%
D.100%
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A.70%
B.80%
C.90%
D.100%
A.64N,80N,160N,200N
B.74N,90N,170N,210N
C.60N,80N,150N,200N
D.74N,80N,170N,200N
A.0.5db
B.1db
C.1.5db
D.2db