... 弹簧减震器 Spring shock absorbers 氮气弹簧 Nitrogen spring 弹簧式安全阀 Spring type safety valve ...
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nitrogen spring pipeline system 氮气弹簧管路系统
fall-and-spring-applied nitrogen fertilizers 秋季和春季施氮肥
nitrogen gas spring 氮气弹簧
Besides using nitrogen spring is discussed. I give another resolving method in improving the plane tolerance of compound die part.
并且对氮气弹簧的应用进行了论述，对满足多工位级进模中零件的平面度要求提出了另一种解决方法。
The application of nitrogen spring on cool punching die is introduced, and the elastic components such as 'heavy-load used polyurethane' components is briefly stated.
前言： 介绍氮气弹簧在冷冲模中的应用，另外还简单介绍了“高负载用聚氨酯”组件等弹性元件。
This spring, a federal science advisory report is expected to recommend a national goal of improving the efficiency of farm nitrogen fertilizer use by 25 percent, Herz and Galloway say.
今年春天，一份联邦科学建议报告有可能建议提高氮肥使用率提高25%的国家目标。赫兹和盖洛韦说。
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