连锁
发表于 2025-3-28 17:37:15
Book 2024cers working towards achieving the equivalent Navigational Watch Certificate (NWC). The NWC is equivalent to the certificate awarded by the MCA to OOWs in the Merchant Service under the international Standardisation of Training, Certification and Watchkeeping (STCW) agreements. The detailed theory of celestial navigation is provided..
多嘴
发表于 2025-3-28 22:24:25
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HAIL
发表于 2025-3-28 23:58:04
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