介绍了保温管、测试管串的结构以及使用方法。
The insulation pipe-drilling stem string and its using method are introduced.
巴氏杀菌设备的最后一个关键组成部分是保温管。
The final key component of the pasteurization system is the holding tube.
我们设计保温管来确保产品在巴氏杀菌温度时的保留时间。
The holding tube is designed to establish a retention time for the product AT the pasteurizATion temperATure.
为了改善渤海稠油油藏地层测试效果，提出了保温管技术。
The insulation pipe technique has been developed for improving formation test effect of viscous oil reservoirs in Bohai Sea.
文中还对热缠绕直埋保温管与地沟敷设保温管做了技术经济分析。
In the paper, a technological economic analysis is made as well to compare the twisting thermal insulated direct-buried pipes with underground tunnel laying ones.
空调冷媒管系统的保温均根据空调系统的特殊要求选用专用保温管壳。
Special heat insulation shell should be used for heat insulation of air conditioning refrigerant pipe system according to the special requirements of the air conditioner.
温差越大，无保温管与有保温管伸长量之差越大，则保温层摩擦力越大；
The more pipe have temperature difference, the more pipe elongation and insulation friction.
公司主要产品有：天花板扩散器，回风格栅，阻尼器，管件，保温管道等。
Our main products are :ceiling diffusers , return air grilles, volume control dampers, duct fittings, fiexibie ducts etc.
岩棉保温管是以玄武岩及其它天然矿石等为主要原料，经高温熔融成纤，加入适量粘结剂，固化加工而制成的。
Rock wool insulating tubes is basalt and other natural ore, etc as main raw materials, by high temperature melting in a fiber, stir-in binder, curing processing and is made.
井筒保温管技术的应用，阻止式隔绝了热交换的发生，经济、有效，在渤海稠油井测试中取得了满意的作业效果。
Application of insulation tech for well bore breaks off the heat exchange which is economic and efficient, and has gained a satisfied effect in test for dense oil well of Bohai oilfield.
若实验过程中假设钢管的弹性模量和钢材的弹性模量相等且为常数，则保温层摩擦力和无保温管与有保温管伸长量之差成正比；
The experiment is assumed that the elastic modulus of the steel pipe equal and constant, the insulation layer friction proportional to the difference of elongation.
若实验过程中假设钢管的弹性模量和钢材的弹性模量相等且为常数，则保温层摩擦力和无保温管与有保温管伸长量之差成正比；
The experiment is assumed that the elastic modulus of the steel pipe equal and constant, the insulation layer friction proportional to the difference of elongation.
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