After deploying the anchor,a permanent chain chaser is().
A. removed from the anchor chain
B. connected to a buoy at the anchor
C. stripped back to the rig and secured
D. connected to a buoy halfway down the chai
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金属氧化物外绝缘部分的检修,复合外套单个缺陷面积不超过()mm<2/sup>,深度不大于()mm,总缺陷面积不应超过复合外套面积的0.2%。
A. 5,2
B. 5,1
C. 4,1
D. 4,2