单项选择题
A.weld pad eyes on deck in proper position to secure the cargo
B.strengthen the main deck by placing pillars underneath it in the tween-decks
C.distribute the weight of the cargo by placing fore-and-aft planks on the main deck
D.package the cargo in wooden crates so it will not damage the deck
单项选择题 The valve on the discharge side of a cargo pump on a tank vessel will usually be a（）.
单项选择题 The terms “cant frame” and “counter” are associated with the vessel’s（）.
单项选择题 The system of valves and cargo lines in the bottom piping network of a tank vessel that connects one section of cargo tanks to another section is called a（）.