A semiconductor is a material with a ().
- Aconductivity higher than a normal conductor
- Bconductivity higher than a normal insulator
- Chigh conductivity at low temperatures
- Dlow conductivity at high temperature
A semiconductor is a material with a ().
1、A thrust bearing is used with a propul
A thrust bearing is used with a propulsion diesel engine to ().Acontrol axial movement of the crankshaftBtransmit engine thrust to the propell...
2、A diesel engine is equipped with an is
A diesel engine is equipped with an isochronous hydraulic governorA decrease in load will cause the engine speed to ()Adecrease onlyBincrease onlyCdecrease slightly then returned to original speedDincrease slightly then returned to original speed
3、A white buoy with a blue band is().
A white buoy with a blue band is().Aan isolated danger markBa hydrographic data collection buoyCa mooring buoyDmarking a restricted area
4、Limber is a term associated with().
Limber is a term associated with().Aemergency gearBdrainageCdeck cargo atorageDsecuring gear
5、Limber is a term associated with().
Limber is a term associated with().Aemergency gearBdrainageCdeck cargo storageDsecuring gear
6、A ketch is a sailing vessel with().
A ketch is a sailing vessel with().Aone mastBtwo masts: with the mizzen stepped abaft the rudder postCtwo masts: with the mizzen stepped forward of the rudder postDtwo masts: a foremast and a mainmast