The hydraulic condition of the rotary baffle plate flocculation tank is better than that of the reciprocating type， and head loss of the rotary type is 40% less than that of the reciprocating type。 （ ）
举一反三
- The crankshaft is used to change the ____________ motion of the piston into __________ motion. A: reciprocating, rotary B: rotary, reciprocating C: vertical, horizontal D: horizontal, vertical
- 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．
- Automotive engines are classified as the reciprocating engine and rotary engine according to the way they work; as the gasoline engine and diesel engine according to fuel they burn;
- According to the fuel an engine burns, there are ________. A: reciprocating and rotary engines B: gasoline and diesel engines C: 4-cylinder and 6-cylinder engines D: inline and boxer engines
- The reciprocating motion of the pistons is changed to rotary motion as the crankshaft spins. 这句话的意思是旋转运动就转化为活塞的往复直线运动。