单项选择题
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
The shearing stresses on a ship’s structure are usually...
单项选择题The shearing stresses on a ship’s structure are usually greatest at（）.
A.the bow B.the stern C.midships D.the ship's quarter-length points
