论文部分内容阅读
FAZOS— 1 2 / 2 8液压支架由于老化经常出现故障 ,为适应煤炭行业资金紧张的现状 ,对其进行改造。
FAZOS- 1 2/2 8 Hydraulic brackets often fail due to aging and are being adapted to the current state of financial stress in the coal industry.