DOS系统中文件路径最长为（）个字符。
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（） the master and the chief engineer are unable to communicate effectively。 serious corrosion on the hull。 damaged sanitary pump。 one page missing in the oil record book。
FA4断路器由哪些主要部件组成？作用是什么？
寄往欧美国家的信函，信纸折叠方式通常为（）。 竖折。 横折。 横竖折。 随意折。
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（） absence of engine log book。 serious corrosion on the hull。 one page missing in the oil record book。 paint peeling off some tailings in engine room。
通过了可行性研究后，项目组织的会议主要目的是（）
