单项选择题
The freeboard is more than 9 metres. ()
A.干舷大于9米。 B.干舷小于9米。 C.吃水大于9米。 D.吃水小于9米。
单项选择题 Keep buoy on starboard side. ()
单项选择题 We must grease and clean the derrick parts.()
单项选择题 The master will be back in no time. Will you start from me?()