A.螺帽
B.螺栓
C.开口销
D.贯穿螺栓
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最新试题
The deck below the main deck is called ‘tween deck.()
Please cover the bilge cover well. ()
In general, a vessel is made up of two parts: the hull and the superstructure.()
Keep buoy on starboard side. ()
Loose paint and scale are removed with a scraper.()
There are some spanners in my toolbox. ()
Here is the annual repair list ()
Dismantle and check the cargo runner.()
Sailors spend most of their time in scraping and painting.()
Bitumen is used for bilges and peak tanks.()