A . the bearing
B . the crosshead
C . bosses
D . bridge
[单选题]Generally the gudgeon pin is fully floating in both connecting rod small end and ().A . the crossheadB . the crankshaftC . large endD . the piston bosse
[单选题]A gudgeon pin in a trunk piston may be free to float and rotate, with () to limit axial movement.A . split pinsB . crankpinsC . dipsticksD . circli
[单选题]The experiment is carried cut to prove ______.A. water pushes on your body when you swim underwater.B. the earth is surrounded by a layer of air called the atmosphere.C. the pressure of air around us has a powerful force.D. the air pressure is not eq
[单选题]all inspections are carried ( )conscientiously to the best of our knowledge and ability.A . inB . toC . outD . away
[单选题]The cooling of the piston is carried out by circulating () across the underside of the crown and inside the ring belt or through specially shaped passages.A . sea waterB . scavenging airC . lubricating oilD . fuel oil
[单选题]A.surveywascarriedoutonthedeathrateofnew-bornbabiesinthatregion,________weresurprising.A.)asresultsB)whichresultsC)theresultsofitD)theresultsofwhich
[单选题]Where are(危险货)___carried on board?A.dangerous goodsB.safe goodsC.A or BD.A+B
[单选题]If business had been carried out to our satisfaction,we()to renew the Agency Agreement.A . hadagreedB . alreadyagreedC . shallagreeD . shouldhaveagreed
[单选题]Each open lifeboat carried on a vessel on an international voyage must have().A . hand-propelling gearB . a davit span with at least 2 lifelinesC . a mast and a sailD . a motor
[单选题]Where are____(危险货)carried on board?A.safe goodsB.general cargoC.dangerous goodsD.bulk cargo