曲轴

• The crank is an offset section of the crankshaft .
  曲柄是曲轴的偏置部分。
• The fresh-air inlet was usually the crankcase breather cap .
  新鲜空气进口一般是曲轴箱通气盖。
• The crankcase is the lower part of the engine cylinder block .
  曲轴箱是发动机气缸体较低的部分。
• The crankshaft makes three rotations for each rotation of the rotor .
  转子每转一周，曲轴转3周。
• The rod-bearing cap attaches the connecting rod to the crankpin .
  连杆轴瓦盖将连杆安装到曲轴销上。
• The crank end of the connecting rod is sometimes called the rod "big end" .
  连杆的曲轴有时称为“大头”。
• When the gears are engaged, the crankshaft keeps the car moving .
  而曲轴，在齿轮箱挂挡时，又使汽车持续运动。
• The ratio of the crankshaft to the revolutions of the camshaft is 2∶1 .
  曲轴的转速与凸轮轴的转速之比是21。
• The crankcase ventilation system carries fresh air through the crankcase .
  曲轴箱通风系统要携带新鲜的空气通过曲轴箱。
• As the crankshaft rotates, the crankpin swings in a circle around the shaft .
  随着曲轴的转动，曲柄销绕主轴作圆周摆动。