The piston supporting body is mainly subjected to () stress.
- Apushing
- Bcentrifugal
- Cstretch
- Dcompressive
The piston supporting body is mainly subjected to () stress.
1、The lower section of a piston is calle
The lower section of a piston is called the ().AlandBskirtCcrownDplate
2、The lowest ring of a piston is ().
The lowest ring of a piston is ().Aa coil springBa sealing ringCan oil distributor ringDmain seal ring
3、The lower end of each piston rod is re
The lower end of each piston rod is reduced in diameter to fit a bore in (), this being secured to the piston rod by a nut.Athe crank-webBthe connecting rodCthe main bearingDthe cross-head
4、The lower end of each piston rod is re
The lower end of each piston rod is reduced in diameter to fit a bore in the (), this being secured to the piston rod by a nut.Apiston gudgeon pinBpiston skirtCcross-headDcross-head pi
5、__________the sun is the central body
__________the sun is the central body of the solar system so the nucleus is the core of the atom.AWhenBIfCNow thatDJust as
6、The main purpose of the piston oil scr
The main purpose of the piston oil scraper rings is to ().Aseal the space between the piston and the linerBreduce the amount of lube oil b...