And before wiring, the water and other sundries inside the protecting tube should be cleaned up.
穿线前,应将电线保护管内的积水及杂物清除干净。
The invention discloses a connecting anchoring device between steel suspension box and steel protecting tube.
本发明公开了一种钢吊箱与钢护筒之间的连接锚固装置。
Has been clear about HDPE external protecting tube main technical specification and product implementing standards.
明确了HDPE外护管主要技术指标及产品执行标准。
The special characteristics of these products are the corrosion-resistance and wear- resistance thermometer protecting tube is used.
本产品的特点在于采用了耐腐、耐磨温度计套管。
Both the derrick deviation and the wellhead's eccentricity will cause the serious wearing of the casing (or casing protecting tube) close to the wellhead.
井架不正或井口偏心,会造成近井口套管(或套管防磨套)的磨损。
In the temperature detector used for temperature compensation, an annular groove is circled at the circumference of the side part of the bottom end of the protecting tube body part.
在用于温度补偿的温度检测器中,在保护本体部的底端侧部分,环绕其四周形成环状沟槽。
Ethoxyquinoline is added in reaction liquid for protecting natural vitamin E and plant sterol from being destroyed; and the integral reaction is operated in a tube type reactor.
在反应液中加入乙氧基喹啉,可以保护天然维生素E和植物甾醇不被破坏,整个反应在管式反应器进行。
This paper introduces some joints joint manner & principle, joint methods and demand of feedwater plastic tube for protecting condition.
本文介绍了各类环保给水塑料管的连接件种类、连接方式与原理、连接主要方法及要求。
No merger of cool water and heat water, thus protecting the vacuum tube from the explosion;
冷水与热水不相遇,保护真空管,不会炸管。
The injection needle tube includes injection needle tube and injection needle protecting sleeve.
本发明公开了一种装有注射针安全防护套的注射针筒。
Based on the Wuhan Yangtse River tunnel project, the low-penetration fiber concrete as the protecting layer of Wuhan Yangtse River tunnel tube was studied.
基于武汉长江隧道工程项目,研究应用高抗渗纤维混凝土作隧道管片外保护层。
Experiment results showed that radiant-tube with regenerative combustor not only has advantages on energy saving and environment protecting, but also has advantages on temperature…
结果表明,蓄热式辐射管与常规辐射管相比不仅在节能、环保方面具有优势,而且在加热均匀性方面也有优越性。
Experiment results showed that radiant-tube with regenerative combustor not only has advantages on energy saving and environment protecting, but also has advantages on temperature…
结果表明,蓄热式辐射管与常规辐射管相比不仅在节能、环保方面具有优势,而且在加热均匀性方面也有优越性。
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