欢迎来到计算机考试题库网 计算机题库官网
logo
全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(轮机专业) > 轮机英语 > 船舶电气与船舶安全

单项选择题

Air receivers installed in starting air systems are to be ().

    A.cylindrical in shape with service connections located at the top and bottom
    B.opened and made available for inspection during biannual inspections provided
    C.with automatic drain traps for the removal of moisture
    D.so installed as to make the drain connections effective under extreme conditions of trim

点击查看答案&解析

相关考题

微信小程序免费搜题
微信扫一扫,加关注免费搜题

微信扫一扫,加关注免费搜题