无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

<em id="icb98"></em>

單項(xiàng)選擇題

An emergence sea anchor may be constructed by type of extinguisher?（）.

A.a boat bucket
B.an air tank filled with water
C.an oar and canvas weighted down
D.All of the above

你可能感興趣的試題

單項(xiàng)選擇題

An engine compartment gasoline fire requires which type of extinguisher?（）.

A.Carbon dioxide
B.Dry chemical
C.Foam
D.All of the above

單項(xiàng)選擇題

An example of a messenger is a（）.

A.fairlead
B.heaving line
C.stay
D.warp

<ruby id="0kb2c"><xmp id="0kb2c"></xmp></ruby>