A. 正确 B. 错误
A. take a further inspection in the voyage B. check and repair, then retrial C. do as the surveyor’s requirement D. retrial
A. 喷雾装置 B. 防跑偏装置 C. 过速保护装置
A. 阈限 B. 绝对感觉阈限 C. 差别感觉阈限 D. 相对感觉阈限
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