根据空气弹簧特性对转向架进行了分类。
现在，随着对轿车耐撞性研究的深入，使得取得准确的弹簧特性成为可能。
With the developing of the test methods, accurate spring characteristic can be obtained.
根据气门运动规律设计气门弹簧特性，按等强度原则设计组合式气门弹簧。
The design of the valve spring performance should be in accordance with the valve movement pattern and...
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