confined groundwater是什么意思

用法例句

Application of matter element method in the second confined groundwater quality evaluation in Suzhou city;

物元法在苏州市第Ⅱ承压地下水水质评价中的应用

On the difference between the friction type connection and pressure-bearing type connection with high-strength bolts;

关于高强螺栓摩擦型连接和承压型连接区别的探讨

Contraposing the problem in the opening mechanism of electrolytic tank,a new pressure-bearing quick opening mechanism which can be used in desooption electrolytic tank has been developed.

针对现有解吸电解槽开门机构存在的问题,开发了一种可用于解吸电解槽等压力容器上的新型承压快开门机构。

Fundamental research of pressure equipment and its priority research areas.;

我国承压设备学的研究现状和优先研究领域

It elucidated the welding material technical requirement of pressure equipments in China and the harm of two systems about current welding .

通过对锅炉压力容器用焊接材料的中、美、日和欧洲共86个国家标准,国内外6家著名厂商的726J焊条型号与牌号、555个焊丝型号和牌号、178个焊丝-焊剂型号与牌号进行了全面综合分析对比,总结了我国焊接材料特点,阐明我国承压设备用焊接材料技术要求,指出当前焊丝国家标准两个系统的危害,以及焊丝、埋弧焊焊材标准不保证熔敷金属化学成分与力学性能等的不足,对我国承压设备用焊材的需求及发展提出明确要求。

This paper probes into some problems existing in the application of safety valve of pressure equipment,and advances some solving measures.

对承压设备安全阀使用中存在的几个问题进行了探讨,并提出相应的解决措施。