·2,447,543篇论文数据，部分数据来源于NoteExpress
Merchant shipping firms have generally avoided arming crew or security guards for reasons of safety, liability and conformity with the laws of the countries where they dock.
商船公司一般出于安全、责任以及遵从停靠国法律的原因，不给其船员或安保人员提供武器。
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