99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

單項(xiàng)選擇題

A class "B" fire would most likely occur in the （）.

A.main switchboard
B.engine room bilge
C.breathing compartment
D.electric fresh water transfer pump

你可能感興趣的試題

單項(xiàng)選擇題

The International Oil Pollution Prevention Certificate is valid for a period of （）.

A.one year from the date of issue
B.two years from the date of issue
C.three years from the date of issue
D.four years from the date of issue

單項(xiàng)選擇題

The International Oil Pollution Prevention Certificate required by MARPOL is issued to China flag by the （）.

A.IMO
B.CCS
C.USCG
D.PICC

<ruby id="9i087"></ruby>

<ruby id="9i087"><output id="9i087"></output></ruby>