If the strength calculation of piping components is to be made, the allowable stresses of the piping materials shall be determined fist.
要对管道元件进行强度计算，首先就要确定管道材料的许用应力。
The company completely satisfies production manufacture and test check related requirements of pressure piping components and safety accessories.
公司完全能满足压力管道元件和安全附件的生产制造、试验检测的相关要求。
Plastics piping systems for buried and above-ground drainage and sewerage under pressure - Unplasticized poly (vinyl chloride) (PVC-U) - Part 1: specifications for piping components and the system.
地下和地上排水和排污用塑料压力管道系统。未增塑聚氯乙烯(PVC- U)。第1部分：管道件和系统规范。
We are not allowed to pump the air into this piping, otherwise the inside meters and components will be damaged.
我们不能按照你的要求将压力泵进该管路，以防止内部的仪表等元件损坏。
Plastics piping systems. Glass - reinforced thermosetting plastics components. Test methods to prove the design of bolted flange joints.
塑料管道系统。玻璃纤维增强式热固性塑料元件。检验栓接式法兰接头的设计试验方法。
The layout of outlet pipe and function of components in the compressed air piping system are presented, and also the combining ratio during the procedure of unloading is inquired into and analysed.
介绍了出料管的布置方式及压缩空气管路系统中各部件的作用，并对卸料过程中的混合比进行了分析和探讨。
Oil leakage in hydraulic systems of construction cranes may be divided according to their locations into two kinds: hydraulic components leakage and piping leakage.
工程起重机液压系统漏油按部位可分为：元件泄漏和管路泄漏两种。
Forging produces a great many industrial components such as blanks, bars, hubs, spindles, shafts, rings and piping parts.
锻造生产了大量的工业组件，例如，选择题，酒吧，集线器，纱锭，竖井，戒指和管道部分。
According to the data and corresponding information, we can design the arrangement of the pipe, and determine the model of the components, flange and complementary plate in the piping system.
根据提出的数据及相关的信息，进行管子的设计布置，零部件型号和管子穿越构件的补板、管子之间的连接法兰等的确定。
Needle valve: it is an important instrument measuring piping system components, mainly cut-off valve and ball valve, its purpose is to open or cut off access by pipeline.
针型阀：是仪表测量管路系统中重要组成部分，主要有截止阀和球阀，其功用是作开启或切断管道通路用。
Plastics piping systems. glass - reinforced thermosetting plastics components. test methods to prove the design of rigid locked socket - and - spigot joints with elastomeric seals.
塑料管道系统。玻璃纤维增强式热固性塑料元件。检验带有弹性密封件的刚性锁定管座套筒接头设计的试验方法。
The pressure impact will produce influence on the steadiness of hydraulic system, and lead to the damage of seal apparatus, piping, and components in the system;
压力冲击会影响液压机构工作稳定性，引起系统中的密封装置、管路、元件的损坏；
The pressure impact will produce influence on the steadiness of hydraulic system, and lead to the damage of seal apparatus, piping, and components in the system;
压力冲击会影响液压机构工作稳定性，引起系统中的密封装置、管路、元件的损坏；
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