Sidewise force of the propeller tends to throw a vessel’s stern to the right or left,depending on rotation. This force is caused by().
ropeller公司计划生产一新设计的高技术飞机螺旋桨。Propeller公司预计随着工人的经验增加,他们会用更少的时间完成工作。根据之前的经验,Propeller公司估计70%的累积学习曲线,并预计如下成本: 如果Propeller生产8个产品,平均单位生产成本是多少?()
A variable pitch propeller is made () a boss with separate blades mounted into it.
Propeller pitch speed minus ship speed divided by the propeller pitch speed is termed ().
A right-handed propeller will cause the survival craft to().
My propeller was hit by a steel barge lying().
For a propeller direct driven by the engine,().
Most often () is attached to the engine-propeller shaft for efficient electric power generation.
When viewed from astern, if the propeller revolves in a clockwise direction when going ahead, it is known as ().
“Any leaks in piping, propeller shaft, machinery, tanks, will have to be repaired, or at least patched up temporarily until the next stop” This sentence means that ().