The outside diameter of the pipe is （） the diameter of the bore of the piston rod， the result being that an annular space formed between the piston rod and the pipe.
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 piston rings are manufactured with a diameter （） the bore of the cylinder.
- The small end of the connecting rod is attached to the piston with a （）.
- Which term describes piston pins having bearing surfaces in both the piston bosses and connecting rod eye?（）
- For one or two types of engine， the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through the （）.