<pre id="pkf8l"></pre>

<b id="pkf8l"><abbr id="pkf8l"></abbr></b>

<strong id="pkf8l"><dl id="pkf8l"></dl></strong><strong id="pkf8l"><form id="pkf8l"></form></strong>

網(wǎng)站首頁考試題庫熱門試題智能家居網(wǎng)課試題

水路交通運(yùn)輸技能考試

題庫首頁每日一練章節(jié)練習(xí)

航海英語航海儀器使用說明書單項(xiàng)選擇題每日一練(2019.01.26)

來源：考試資料網(wǎng)

1 An electronic depth finder operates on the principle that（）.

2 A Doppler log in the volume reverberation mode indicates（）.

3 A barometer showing falling pressure indicates the approach of a（）.

4 If a magnetic compass is not affected by any magnetic field other than the Earth’s，which statement is TRUE?（）.

5 A Doppler log in the bottom return mode indicates the（）.