单项选择题 A VLCC (100，000 DWT+) with a 30，000 Shaft Horsepower Steam Turbine is slow to respond to engine movements and has less stopping power than normal ships because it has a（）.

单项选择题 A towing vessel’s capability is BEST measured by horsepower，bollard pull，maneuverability and（）.

单项选择题 A thrust block is designed to（）.