A、nozzle
B、shroud
C、strut
D、hood
更多“The circular steel structure installed around the propeller of a towboat is the（）.”相关的问题
A、Britain.s steel industry is declining. B、No more new discoveries of iron ore have been found in Britain. C、Supplies of iron ore are now mostly foreign. D、Compared with newer plants in the world,Britain.s steelworks are not efficient.
A、induced magnetism in vertical soft iron B、induced magnetism in horizontal soft iron C、permanent magnetism in ship's steel D、vessel's inclination from the vertical
A、Induced magnetism in vertical soft iron B、Induced magnetism in horizontal soft iron C、Permanent magnetism in ship's steel D、Vessel's inclination from the vertical
A、The aluminum will provide greater resistance to the spread of fire by conduction B、The aluminum structure is usually attached to a steel coaming by a method that insulates the two metals C、If the superstructure is stressed，an aluminum structure requires additional expansion joints to prevent fracture D、The steel at the area of the aluminum-to-steel connection must be closely checked for galvanic corrosion
A、general plans B、builder's documentation C、Certificate of Inspection D、construction portfolio
A、steel B、copper C、cast iron D、stainless steel
A、steel guides B、steel shells C、steel bearing caps D、pig iron
A、A.Both seamless mild steel and copper may be used for middle pressure steam B、B."hpair" means high pressure air C、C.The feed piping of the boilers can be made of seamless mild steel D、D.All oil pipings are made of mild steel
A、Circular Fillet可以在NURBS表面相交处生成，与表面的结构无关 B、Circular Fillet的半径大小会影响圆角是否生成 C、Circular Fillet可以通过调节参数的正负，决定圆角的方向 D、Circular Fillet可以通过调节参数决定生成的圆角和曲面是否有交线
客服
TOP
查看正确答案
