It mainly consists of fast - opening blind, barrel, reducer, and saddlesupport.
它主要是由快开盲板、筒体、异径管、鞍式支架等部分构成。
2
It mainly consists of Quick Opening Closure, barrel, reducer, and saddlesupport.
它主要是由快开盲板、筒体、异径管、鞍式支架等部分构成。
3
This paper presents the prepressing and installation technology of the temporary supportsaddle, and the installation and grouting technology of the permanent supportsaddle.