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
Diesel engine air start system check valves are opened by （）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
Which of the following items don’t belong to dock repair works?（）
The treatment of the fuel oils involves storage, heating, filtering and（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
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.
The condensers located in various stages of a flash evaporator are cooled by（）