單項(xiàng)選擇題

A cofferdam is（）.

A.any deck below the main deck and above the lowest deck
B.a member that gives fore-and-strength
C.made by placing two bulkhead a few feet apart
D.a heavy fore-and-aft beam under the deck

你可能感興趣的試題

單項(xiàng)選擇題

A combustible gas indicator meter is calibrated to read the percentage of（）.

A.vapor to oxygen
B.the flammable limit concentration
C.the autoignition concentration
D.the lower explosive limit concentretion

單項(xiàng)選擇題

A container with high cube would most likely be used to stow（）.

A.dense bulk cargoes
B.household appliances
C.fragile cargoes
D.heavy industrial machinery

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

A cofferdam is（）.

你可能感興趣的試題

A combustible gas indicator meter is calibrated to read the percentage of（）.

A container with high cube would most likely be used to stow（）.