The reforming basic structure of HDJA-1000 metalhinge top beam is introduced. Its various functions, better economy, stability and safety are expounded.
介绍了HD JA - 1000型金属铰接顶梁的改造基本结构,阐述了改造后在采煤工作面应用的多种功能,及其经济性、可靠性和安全性。
2
When air is moving, the metal is pivoted on the hinge.
当空气流动时,金属板在铰链上转动。
3
This solid wood box features a brushed metal disk on top where the hinge is.