单项选择题
A.1m B.5m C.10m D.100m
A.5 B.10 C.15 D.20
A.纬缩 B.断经 C.三跳织痴 D.双纬
(A)GB/T93-390 (B)GB93-460 (C)FZ-2660 (D)QY370
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