As the plunger moves upwards in the barrel, injection will commence once the plunger has () the spill ports and the pressure builds up.
- Aopened up
- Bclosed off
- Clined up
- Dtaken off
As the plunger moves upwards in the barrel, injection will commence once the plunger has () the spill ports and the pressure builds up.
1、As used in the last sentence, the phra
As used in the last sentence, the phrase "in short" means ______.A in the long runB in detailC in factD in a word
2、As the plunger moves up, the ports are
As the plunger moves up, the ports are closed and the fuel () and delivered to the injector nozzle at very high pressure.Abeing compressedBto be pumped upCis pressurizedDare built u
3、As defined in the Rules,the term vesse
As defined in the Rules,the term vessel includes().AseaplanesBnon-displacement craftCbargesDAll of the above
4、In the variable delivery pump, moving
In the variable delivery pump, moving the spindle more from the central point will cause () fluid to be pumped and consequently ()pressure is generated to drive the rams.Amore;moreBmore;lessCless;moreDless;le
5、The term "oil", as used in the Polluti
The term "oil", as used in the Pollution Prevention Regulations, means ().Afuel oil onlyBcrude oil onlyCliquefied petroleum gasDpetroleum oil of any kind
6、What are the major goods moved in pipe
What are the major goods moved in pipeline transport? ()ANatural gasBCrude oilCwaterDA, B and C