#backfillUnmoderated tagAll postsTrending CommunitiesNewcomers' CommunitySteemitCryptoAcademySteemit Feedbackআমার বাংলা ব্লগKorea • 한국 • KR • KOSteem POD TeamSTEEM CN/中文Steem AllianceAVLE 일상WORLD OF XPILARBeauty of CreativityTron Fan ClubExplore Communities...#backfillTrendingHotNewPayoutsMutedsinorock (30)in #backfill • 3 years agoHow Do Self-Drilling Hollow Rock Bolts Support Backfill Foundation Slopes?The common support methods for backfill foundation pit slopes include ordinary rock bolt support and casing drilling…
