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- A.纤芯、缓冲层、包层、二次涂覆层、预涂覆层
- B.纤芯、预涂覆层、包层、缓冲层、二次涂覆层
- C.纤芯、包层、预涂覆层、缓冲层、二次涂覆层
- D.纤芯、二次涂覆层、缓冲层、包层、预涂覆层
- A.纤芯、外层、缓冲层、硬涂层
- B.内层、外层、软涂层
- C.内层、外层、软涂层、硬涂层
- A.7~8μm
- B.9~10μm
- C.11~12μm
- D.12~13μm
- A.50μm
- B.100μm
- C.125μm
- D.150μm
- A.n1=n2
- B.n1< n2
- C.n1≥ n2
- D.n1>n2
- A.5
- B.10
- C.15
- D.20
- A.包层
- B.内外层间
- C.纤芯
- D.纤芯与包层间
- A.3
- B.5
- C.10
- D.15
- A.100～180
- B.50～70
- C.40～60
- D.30～50
- A.5
- B.10
- C.15
- D.20
