But the investment for experiment is too large , and the experiment cycle is too long . this will restrict the research on the theory of wind effect on bridge 然而桥梁风洞试验的设备投资大，试验费用高，周期长，这在很大程度上限制了大跨桥梁风振机理的研究。
Electrolytic polishing needs expensive equipments and jigs ; and chemical polishing make worse damage to environment and workers . easily make cyber - flashing sand plane 电解抛光设备投资大,需特殊夹具;化学抛光和电解抛光产生的氮氧化物和酸雾等严重污染环境并毒害人体
Our products also bring productivity up to a new level : their fast - cycling properties allow the decrease of production cycle time , and improve returns on equipment investments 我们的产品同样将生产率提高到了一个新的水平：它们的快速成型性能缩短了生产周期，加快了设备投资的回收。
Take up with the estimation evaluation of eguipmetn properties and the installation costsin petrochemical engineering as well as the calculation , analysis and design of pressure vesel in engineering 从事石油化工工程中的设备性能和设备投资的评估以及工程中压力容器的计算、分析和设计。
With over hk 56 million investment in upgrading and acquisition of advanced machineries , the group s xinhua factory production capability and efficiency has been significantly improved 集团并作出了5 , 600万港元设备投资，为设备升级及购买先进设施，现时新会厂的产能及生产效率均有显著提升。
The experiment of the method show that the operation of process is easy , the investment for equipment is less , the quality of the products can reach the standard of first class of the same domestic product 试验表明：该方法工艺操作简单，设备投资少，产品质量完全达到国内同类产品的一级品标准。
Open wall mixing of the cage can be maintained conveniently , the single arm structure lowers the cost . display screen , restricted protecting device and malfunction display are set with reliable working 本机全开式搅笼壁，便于维修，单臂结构，设备投资少设有工作显示和制约保护及故障显示，工作可靠。
Testing results show that indoor air temperature satisfies the design criteria , the increased equipment costs can be reclaimed within two years although there is an increase in air conditioning area 测试结果表明，室内温度达到设计要求，且在夏季空调面积增加的情况下，增加的设备投资可在两年内收回。
Compared with the traditional process , the catalytic rectification has the advantages of simple process , lower energy consumption , lower investment of production equipment , lower operation cost and no environment pollution 与传统工艺相比，具有生产流程简单、能耗低、设备投资和操作费用低、无环境污染等优点。
This thesis investigates the reasonable investment of logistical " hardware " with china ' s wto accession while a traditional forwarding company transfer into a modern logistic enterprise 本课题研究的目的是中国加入wto后，对于传统国际货代企业向现代物流企业转型过程中，对物流“硬件”设备投资的科学性问题进行研究。
