The Wheatley J81 (NBR Class E) 0-6-0 Tank Engines. Wheatley came to the North British Railway (NBR) in 1867 and found that most of the locomotives lacked the power for the work …

The NBR's locomotive classification system (introduced in 1913) is not very helpful because the same letter has been applied to several different classes. The North British Railway Study …

The Drummond J82 (NBR Class R) 0-6-0T Locomotives. Although Wheatley had introduced a number of 0-6-0ST designs (J81 and J86) for local and branch passenger traffic on the North …

2008年6月6日 · Wheatley quickly met this need with his new Class E (LNER J31) design. These locomotives were noted for being larger and more robust than the existing Hurst locomotives. …

The NBR F Class (LNER Class J88) was a class of 0-6-0 tank locomotives, designed by William P. Reid on the North British Railway. [1] They were used for dockyard shunting duties. [1]

The NBR D Class (LNER Class J83) was a class of 0-6-0 tank locomotives designed by Matthew Holmes for short distance freight, station pilot, and heavy shunting duties on the North British …

根据国家标准gb5577-85规定，已采用由nbr与后缀四位数字组成，其中前两位数字表示结合丙烯腈量的低限值，第四位数字表示门尼粘度低限值的十位数字。

2020年7月17日 · nbr橡胶与氟橡胶是剖分式油封常见的两种材质，具有不同的性能特点，因此制成的油封也具备不同的性能特点，可以应对不同工况环境下机械设备的密封使用需求，又因其方 …

丁腈橡胶用于制造各种密封件，如O 形圈、V 形圈、旋转密封件、活塞密封件和活塞杆密封件。 丁腈橡胶可用于液压、气动系统及水处理等各种应用。 本列表并非详尽无遗。 集团客户可随时 …

The Wheatley J86 (NBR Class E) 0-6-0 Tank Engines. Wheatley came to the North British Railway (NBR) in 1867 and found that most of the locomotives lacked the power for the work …