The lower section of a piston is called the （）.
举一反三
- 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.
- The most breathtaking parts of the Simatai section are called __________ and ____________ .
- The aircraft hold is the part of an aircraft located in the aircraft’s underbelly, so it is also called lower deck.
- Piston cooling fins are located ______. A: at top the piston crown B: beneath the piston crown C: at the base of the piston skirt D: inside the cylinder liner<br/>cooling water jacket
- piston