二氧化碳灭火系统不适用的火灾情况为( )。A.油浸变压器室火灾 B.图书馆火灾 C 发布时间:2018-07-02 03:38 │ 来源:www.tikuol.com 题型:单项选择题 问题: 二氧化碳灭火系统不适用的火灾情况为( )。A.油浸变压器室火灾B.图书馆火灾C.电子计算机房火灾D.活泼金属火灾
题型:单项选择题 The Consol navigation system,used in Russian and Northern European waters,can be used().A.for precise navigation in coastal watersB.by measuring the phase difference of the dots and dashesC.as an aid to ocean navigationD.if the vessel is fitted with a special Consol receiver 查看答案