根据矿压观测结果分析了可拉伸锚杆对软岩巷道支护的适应性及其合理的结构参数。

Accoording to the result on observation of rock pressure, adaptability of telescopiform bolt in soft rock road and reasonable structural parameter are analysed.

youdao

尼可拉斯-普劳梯是普特南大桥基金创始人和首席执行官，公司致力于收购及管理美国和国外的不良地标性物业。

Nicholas Prouty is the founder and CEO of Putnam Bridge, a firm engaged in the acquisitions and management of distressed landmark properties in the United States and abroad.

youdao

加入水不溶剂后，可增强耐水性，提高制品的柔韧性、可拉伸性。

After water insoluble agents are added, the water resistance can be enhanced and the flexibility and the stretchability of the product can be improved.

youdao