拱形支架

Based on the characteristics of cruts of blind incline shafts of Q ianqiu mine and the affect of mining on the blind incline shafts, the 1st and 2n d major maintenances performed using yielding metal support and bolting and shot creting wire mesh by the effect of their safety pillar 's abutment pressure are d escribed.

针对千秋煤矿暗斜井穿岩巷道的特点、采动对暗斜井的影响状况，阐述了暗斜井在保护煤柱固定支承压力作用下，利用拱形可缩性金属支架、锚喷网支护进行一、二次大修的过程。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。