航海英語船體設(shè)備單項選擇題每日一練(2019.01.19)

來源：考試資料網(wǎng)

1 A contra-guide is a type of（）.

2 Pollution regulations require that each scupper in an enclosed deck area have a（）.

3 The strake on each side of the keel is called a（）.

4 A deck fitting，used to secure line or wire rope，consisting of a single body with two protruding horns is called a（）.

5 The purpose of cant frames in steel vessels is（）.