航海英語甲板與船體保養(yǎng)單項選擇題每日一練(2019.01.23)

來源：考試資料網

1 When a line is spirally coiled about its end and lying flat on deck，it is said to be（）.

2 （）about 20 sq.m to be sand-blasted.

3 The margin plate is the（）.

4 The International Load Line Certificate is a document indicating the（）of the various load lines of the vessel.

5 On what type of pump would you find an impeller?（）