试题详情
- 单项选择题回声探测仪()
A、echo sounder
B、instrument
C、echo sounding
D、sound signal
- A
关注下方微信公众号,在线模考后查看
热门试题
- The crane is (). Cou
- I shall keep the sec
- Apart from fire dril
- cool()
- 防止被拖船偏荡不定的措施有哪些方法?
- Liquid bulk cargo is
- It is the job of ()(
- “SWL” means ().
- 有多少节锚链在外?()
- 船舶航行中水手在驾驶员值班的时间是()
- 在集合地点集合。()
- 吊运重物时,若对钩的强度没有把握,可用(
- 什么叫主航道和非主航道?
- We have some white p
- Send a fire ()(火势探测员
- Primer coats are app
- Cleaning, painting a
- 海图上水面部份空白处,表示:()
- 汽笛短声历时()。
- Please tell the duty