portside oar是什么意思 portside oar怎么读
portside oar的用法和样例
- Lower one messenger rope to the mooring boat from portside.
自左舷松下一根引缆给带缆船。 - Profiles is shown in looking from starboard to portside and transverse section is shown looking forward.
纵向剖视由右舷向左舷看，横向剖视由尾向首看。
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