The influences of vacuum dewatering treatment on the capability of concrete in carbonation resistance are analyzed.
分析了真空脱水对混凝土抗碳化能力的影响；
The prestressing duct vacuum grouting workmanship is an effective measure for improving the safety and durability of the post-tensioning concrete structures.
预应力管道真空辅助压浆工艺是提高后张预应力混凝土结构安全度和耐久性的有效措施。
Bearing upper load, a reinforced concrete structure with a pile foundation is the foundation of RH-TB vacuum recycling degassing installation.
TB真空循环脱气装置设备的基础是承载上部荷载的桩基承台钢筋混凝土结构。
The application of vacuum dewatering technique to steel fibre reinforced concrete is presented in this paper.
本文将真空脱水技术应用于钢纤维混凝土。
Remove all remaining dust and debris by dry sweeping and then vacuum cleaning after concrete surface drying.
混凝土表面干燥后，先用扫帚扫去地表残留灰尘和杂物，然后用真空吸尘器进一步清洁表面。
The authors expound principles of detecting fault and specific methods with vacuum meter in detail with some concrete examples.
结合具体实例详细地论述了利用真空表诊断故障的机理和具体方法。
Based on the relative standard and a concrete project, gives an introduction for the use, design, and operation of a central vacuum cleaning system.
结合工程实例及其相关标准，介绍和分析中央真空清洁系统的用途、设计及使用。
The superstructure of the main spans of Jincheng Bridge in Wuxi is a prestressed concrete continuous box girder with its longitudinal and transverse prestressing ducts grouted by vacuum method.
无锡金城大桥主跨上部结构为预应力混凝土连续箱梁，纵、横向预应力孔道压浆采用真空辅助压浆工艺。介绍该真空辅助压浆的施工工艺。
The concrete mixtures treated by vacuum water free can enhance the early stage strength, form release time and working efficiency.
混凝土拌和物经真空脱水处理后，早期强度提高，拆模时间提前，可提高工效。
Prestressed construction technology of the box girder concrete of the bridge and the vacuum grouting technology;
真空压浆是后张预应力混凝土结构施工中的一项新技术，已经越来越广泛地应用于工程实践中。
The concrete delivery system for the dam is composed of mixer feeding conveyer, system connecting conveyer, 3 high-speed belt conveyer lines, 3 vacuum-chutes and 2 sets of tower crane placers.
龙滩大坝混凝土运输供料线系统由拌和楼出料皮带机和系统连接皮带机、3条高速皮带机供料线、3条负压溜槽和2台塔式布料机组成。
The concrete performance of incorporation is a mutual aid and everyone of USES aren't lifes in the vacuum, but the life is in the society.
团结的具体表现就是互助，我们每一个人都不是生活在真空里，而是生活在社会里。
The experiment methods on making small concrete structures by vacuum dewatering treatment are put forward.
提出了制作真空脱水小试件的试验方法；
The vacuum-dewatering technique and the microwave technique were combined, which made the concrete final W/C ratio decreased to 0.38.
把真空脱水技术和微波脱水技术结合起来，使混凝土终水灰比降至0.38左右。
The high voltage vacuum breaker is used in the traditional high voltage switch cabinet. We get the high voltage switch cabinet without oil. In this paper, many concrete methods are introduced.
通过对用高压真空断路器对传统高压开关柜进行无油化改造方法的介绍，详细阐述了具体的实施措施。
The high voltage vacuum breaker is used in the traditional high voltage switch cabinet. We get the high voltage switch cabinet without oil. In this paper, many concrete methods are introduced.
通过对用高压真空断路器对传统高压开关柜进行无油化改造方法的介绍，详细阐述了具体的实施措施。
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