采用了车组靠轨道便能换向运行的机构，取消了回转机构，实现了辐照室及其它恶劣环境中无易损操纵件。
The mechanism which can reverse by the rail of the wagon group is adopted, the rotation mechanism is cancelled, and no fragile control piece is realized in irradiation room and other bad environment.
DL - 8型多路阀具有操纵轻便、换向灵活、定位可靠的特点。
It is easy to operate, flexible in changing direction and reliable in positioning.
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