A.semi-built
B.built-up
C.solid forged
D.individual forged
您可能感興趣的試卷
你可能感興趣的試題
A.smaller
B.larger
C.higher
D.lower
A.enough；to
B.too；to
C.such；so
D.so；that
A.through bolts
B.jack bolts
C.tap bolts
D.fitted bolts
A.thermal stresses
B.bending moments
C.thermal loads
D.surface tensions
A.foundation
B.seating
C.entablature
D.bedplate
最新試題
The cetane rating of diesel fuel is an indication of the （）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
The shipboard oil pollution emergency plan will be invalid after （）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Using a file without a handle may result in （）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
（） is not installed on the main switchboar.
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）