coil-spring standard

例句：

1. 1.The coil-spring standard is used to ensure the safety of the vehicle's suspension system.
   弹簧标准用于确保车辆悬挂系统的安全可靠。
2. 2. The manufacturer has set a new coil-spring standard for the next model year.
   制造商为下一款车设定了新的弹簧标准。
3. 3. The coil-spring standard is widely used in automotive industry.
   弹簧标准在汽车行业中被广泛使用。