recirculating ball steering gear是什么意思

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Recycling system construction effect on urban environment and resources circulation;

再生资源回收利用体系建设对城市环境和资源循环利用的作用

Study on sludge reduction by aerobic/anaerobic alternation and circulation methods;

好氧/厌氧交替与循环工艺用于污泥减量化研究

Allocation,circulation and purifying effect of nickel in synthetic wastewater in Avicennia marina simulated wetland system;

模拟分析白骨壤湿地系统中Ni的分配循环及其净化效果

Working Cycle Analysis of the Engine Retarder;

车用发动机缓速器工作循环的理论分析

The problems revealed during the commissioning of the 75t/h cycle-fluidized-bed-boiler and the improvements;

75t/h循环流化床锅炉试运行中暴露出的问题及改进方法

The Application of Refrigerant Recovery, Recycle and Regenerate Technique in Production;

制冷剂的回收、循环和再生技术在生产中的应用

Technical innovation of recycled-water system;

橡胶轮胎生产循环水系统的技术改造

The different addition metal,temperature,pressure,the dosage of sodium hydroxide,catalyst recycle times were investigated in hydrogenation of o-CNB to DHB.

通过对骨架镍催化剂添加第三金属M(Mo,Ti,Cr)制备改性骨架镍催化剂,并采用间歇加压釜式反应器对改性骨架镍催化剂进行活性评价,考察了不同添加金属、反应压力、温度、碱量、催化剂循环套用次数等工艺条件对催化加氢法制备2,2'-二氯氢化偶氮苯的影响。

Effects of organic materials cycling on soil organic carbon turnover in a red soil paddy ecosystem.;

红壤稻田生态系统有机物料循环对土壤有机碳转化的影响

Progress in the research of cycling and recycling of potassium within plants;

植物体内钾循环与再循环的研究进展

the effect of Enhanced UV-B Radiation on their cycling.

本文综述了UV-B辐射增强对陆地生态系统和水生生态系统矿质营养影响的国内外研究态势,尤其是对两者矿质营养循环的影响研究,并就目前研究状况,提出未来研究方向。

Research on Program Loop Characteristics of Multimedia Applications;

面向多媒体应用程序的循环特征研究

A discussion about loop and loop invariant;

关于循环与循环不变式的讨论

The Study and Implementation of C Program Loop Characteristic Analysis Technology Based on SUIF2;

基于SUIF2的C程序循环特征分析技术研究与实现