... 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
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。
In summary, under zero till crop response to nitrogen levels in the spring was approximately twice as large compared to conventional till.
总之，在免耕地条件下，春季作物对土壤含氮量的反应大约是常规耕作的2倍。
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