Zobrazeno 1 - 1
of 1
pro vyhledávání: '"hydraulic support height"'
Publikováno v:
Gong-kuang zidonghua, Vol 43, Iss 9, Pp 65-69 (2017)
In view of problems that height measurement of hydraulic support on fully mechanized coal mining face was difficult and measurement result was not accurate, taking two-column shield hydraulic support as an example, expression of hydraulic support hei
Externí odkaz:
https://doaj.org/article/c6adeb21680f445c99ad5eaa5acb5340
