题目详情
单选题 59.According to the ISPS Code, for a sailing ship, the following except _____ should be onboard
A. a ship security plan
B. a ship security officer
C. a company security officer
D. certain on-board equipment

学科:轮机机械基础(制图+机构+液压+测量+辅机)
时间:2026-01-03 01:55:22
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