查询词典 pipe

The testing data from spot test of heat preservation structure with equal thickness for a certain pipeline were analyzed by means of Fluent software. Through analyzing testing data, the temperature of pipeline surface shows a distribution rule that the temperature of top pipe is high and that of the bottom pipe is low.

针对某运行管道进行现场测温，并应用Fluent软件对测试数据进行分析，发现管道表面温度具有&上高下低&的分布规律，因此，工业管道采用等厚度保温结构设计并不合理。

Heat pipe materials used to do with pure copper heat pipe, length 12 cm, condensing side 2.8 centimeters in diameter, heat-absorbing end diameter of 4.5 centimeters, the overall weight 220 grams.

热管采用了用纯铜材料做的热管，长度12厘米，冷凝端直径2.8厘米，吸热端直径4.5厘米，整体重220克。

Tank heaters are pre-engineered packages utilizing metal sheath tubular or ceramic insulated, open coil pipe insert heating components for use in 2" and 3" nominal pipe sizes.

液槽加热器是预组装设备，使用金属外壳或陶瓷保温，在外部是盘绕形的 2&和 3&的管子里使用加热电阻。

In allusion to the holdbacks which often come forth in pipe-jacking construction,the practicing experience of many pipe-jacking operators is summed up and some new settling methods are put forward in the text.

针对顶管施工中经常出现的一些障碍，总结了顶管工作者的实践经验，提出了一些新的解决方法，并阐述了障碍的许多预防措施，希望对以后的顶管施工实践有所帮助。

He packed an iron pipe with a charge, but through a mistake with the fuse the pipe exploded, and he lost the thumb and index finger of his right hand.

他包装一铁管与负责，而是透过一个错误与引信管发生爆炸，和他失去了拇指和食指的右手。

Scanning electron microscopy,X-ray fluorescence spectroscopy,X-ray diffraction and X-ray photoelectron spectroscopy were used to analyze the microstructure,chemical composition,crystalline structure and compound constitute of the corrosion scale from cast iron pipe and galvanized steel pipe in drinking water distribution systems.

使用扫描电镜、X荧光光谱分析、X射线衍射分析以及X光电子能谱对给水管网中铸铁管和镀锌钢管上的管内壁腐蚀管垢进行微观形态、化学组成、晶体结构和化合物构成等物理化学特征分析。

Key words:pipe jacking; earth pressure balancing pipe jack; control measure; construction

关键词］顶管；土压平衡顶管机；控制措施；施工

The guided work is the key to the ultra-Long jacked pipe project. But the manual surveying method can not satisfied the need of the ultra-long jacked pipe project.

中文摘要超长顶管施工的导向工作是顶管施工中的关键，如今在一般距离顶管施工中采用的人工测量方法完全不能满足超长顶管施工的要求。

Main problems and reasons facing standardization were analyzed.Some requirements for steel pipe standardization were put forward.Main tasks,fields,and key projects of steel pipe standardization were deeply discussed.

是科技成果转化为生产力的桥梁，是组织现代化、集约化生产的重要条件，是推动技术进步、产业升级、提高产品质量、工程质量和服务质量，加速我国农业迈向现代化，推

Thus ensuring axial symmetry of the nozzle and jet pipe in the structure design is the key of preventing the jet pipe from being pressed and locked.

保证喷嘴、喷管结构的轴对称性是防止喷管后段成为受压缩状态、乃至导致摩擦锁止的关键。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。