单项选择题
A.grip joint B.strap joint C.thread joint D.lap joint
The type of joint formed when a third small plate is ri...
单项选择题The type of joint formed when a third small plate is riveted over two plates butted together is called a（）.
A.butted joint B.lap joint C.strap joint D.stringer joint
The system of valves and cargo lines in the bottom pipi...
单项选择题The system of valves and cargo lines in the bottom piping network of a tanker that connects one section of cargo tanks to another section is called a（）.
A.come-along B.crossover C.manifold D.runaround
The strictest load line regulations apply to（）.A.gas ca...
单项选择题The strictest load line regulations apply to（）.
A.gas carriers B.freighters (break-bulk) C.passenger ships D.tankers
