在绝大多数的厂商指定的火花塞的扭矩范围为14至20英尺磅。
The vast majority of manufacturers specify spark plug torques in the range of 14 to 20 ft. -lbs.
直接控制扭矩而不是电机转速范围，可以使得电机和变频器产生足够高的扭矩使得压机可以回复到原来的位置。
Direct control of torque over the motor speed range is provided by the drive, which helps the motor and drive generate torque levels high enough to cycle the press back to ready position.
发动机是极其众所周知，其耐用性，燃油效率高和良好的低到中期范围内扭矩。
The engines are extremely well known for their durability, high fuel efficiency and good low to mid range torque.
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