sdj

The high standards for games set by the SdJ jury have led publishing houses to improve the quality of their game systems, graphics, and components.

奖项选举团设定的高标准引导出版公司去改进游戏系统，图案和配件。

By successfully reforming and designing SDJ-150 belt conveyor to make it suitable for applying in special laneway, reduced equipment number, power consumption and production cost.

通过对SDJ - 150型带式输送机的改造设计，使其较好适用井下特殊巷道，从而减少了设备占用，节约了电力，降低了生产成本，满足了现场实际生产的需要。