A：
Standard Recycling Process (Clause 6.6.5):

1. Power-on unlocking: 36V voltage heating ≥ for 45min to melt the hot melt material (Fig. 2.1.1);

2. Mechanical cramping: special automatic recycling machine pulls out the steel strand, and manual pulling is prohibited;

3. Layered demolition: sequential operation from bottom to top, the width of the fertilizer trough ≥ 1.2m (clause 5.3.1).

Recovery failure plan (clause 6.6.6):

· casing drilling rig sleeve breaks the anchor solid;

· high-pressure water gun to release the formation bonding;

· The waterjet cuts off the bottom strand (suitable for extended bolts).