举一反三
- The cylinders and pistons are in the ______ the cylinder block and the crankshaft is in the lower part. A: left part of B: upper part of C: right part of D: bottom part of
- Cylinder block contains ________, coolant and lubricant passages and crankcase. A: cylinder head B: cylinders C: pistons D: crankshaft
- Cylinder block holds pistons, the crankshaft and other parts.
- Block group contains ________. A: connecting rods, crankshaft and flywheel B: pistons, connecting rods and oil pan C: cylinder block, cylinder head and oil pan
- The cylinder block is the largest part of the engine.
内容
- 0
Block group contains______. A: connecting rods,crankshaft and flywheel B: pistons,connecting rods and oil pan C: cylinder block,cylinder head and oil pan D: piston rings,gasket and connecting rods
- 1
The correct position of chest compression is ( ) A: The upper half of the sternum B: The left side of the nipple line C: The right side of the nipple line D: The lower part of the sternum, the upper half of the sternal line E: The lower part of the sternum, the midpoint of the nipple line
- 2
It is held in the crankcase in the cylinder block and converts the reciprocating motion of the pistons into a rotary motion for the drive wheels．
- 3
In some engines,the cylinder block also carries the ______ . A: camshaft B: crankshaft C: shaft D: countershaft
- 4
The upper portion of the iceberg is the ______part of the culture.